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55918163260 = 2256074606109
BaseRepresentation
bin110100000100111110…
…110111010100111100
312100100000220000101201
4310010332313110330
51404010022211020
641404412145244
74016463355021
oct640476672474
9170300800351
1055918163260
1121795388773
12aa06a68224
135371bb438b
1429c6719548
1516c4214a0a
hexd04fb753c

55918163260 has 24 divisors (see below), whose sum is σ = 117621624960. Its totient is φ = 22330411584.

The previous prime is 55918163239. The next prime is 55918163309. The reversal of 55918163260 is 6236181955.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 55918163260.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2290915 + ... + 2315194.

It is an arithmetic number, because the mean of its divisors is an integer number (4900901040).

Almost surely, 255918163260 is an apocalyptic number.

It is an amenable number.

55918163260 is an abundant number, since it is smaller than the sum of its proper divisors (61703461700).

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

55918163260 is a wasteful number, since it uses less digits than its factorization.

55918163260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4606725 (or 4606723 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 55918163260 in words is "fifty-five billion, nine hundred eighteen million, one hundred sixty-three thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 607 1214 2428 3035 6070 12140 4606109 9212218 18424436 23030545 46061090 92122180 2795908163 5591816326 11183632652 13979540815 27959081630 55918163260