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55707077692 = 22741229313677
BaseRepresentation
bin110011111000011001…
…101000110000111100
312022210022200202102201
4303320121220300330
51403042002441232
641331432001244
74011321230140
oct637031506074
9168708622381
1055707077692
1121697213a92
12a968230224
13533a248386
1429a668d220
1516b091abe7
hexcf8668c3c

55707077692 has 96 divisors (see below), whose sum is σ = 115166056320. Its totient is φ = 23082209280.

The previous prime is 55707077659. The next prime is 55707077693. The reversal of 55707077692 is 29677070755.

It is a happy number.

55707077692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55707077693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82284858 + ... + 82285534.

It is an arithmetic number, because the mean of its divisors is an integer number (1199646420).

Almost surely, 255707077692 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55707077692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57583028160).

55707077692 is an abundant number, since it is smaller than the sum of its proper divisors (59458978628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55707077692 is a wasteful number, since it uses less digits than its factorization.

55707077692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 6482700, while the sum is 55.

The spelling of 55707077692 in words is "fifty-five billion, seven hundred seven million, seventy-seven thousand, six hundred ninety-two".

Divisors: 1 2 4 7 14 28 41 82 164 229 287 313 458 574 626 677 916 1148 1252 1354 1603 2191 2708 3206 4382 4739 6412 8764 9389 9478 12833 18778 18956 25666 27757 37556 51332 55514 65723 71677 89831 111028 131446 143354 155033 179662 194299 211901 262892 286708 310066 359324 388598 423802 501739 620132 777196 847604 1003478 1085231 1483307 2006956 2170462 2938757 2966614 4340924 5877514 5933228 6356353 8687941 11755028 12712706 17375882 20571299 25425412 34751764 41142598 44494471 48525329 60815587 82285196 88988942 97050658 121631174 177977884 194101316 243262348 339677303 679354606 1358709212 1989538489 3979076978 7958153956 13926769423 27853538846 55707077692