Search a number
-
+
55500909101 = 1119347765287
BaseRepresentation
bin110011101100000111…
…001010101000101101
312022020221202022021222
4303230013022220231
51402131213042401
641255145033125
74003235641421
oct635407125055
9168227668258
1055500909101
11215a08a8520
12a90b1857a5
135306611421
142987142b81
15169c793c1b
hexcec1caa2d

55500909101 has 16 divisors (see below), whose sum is σ = 63916853760. Its totient is φ = 47662012080.

The previous prime is 55500909077. The next prime is 55500909133. The reversal of 55500909101 is 10190900555.

It is a happy number.

55500909101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55500909101 - 210 = 55500908077 is a prime.

It is a super-2 number, since 2×555009091012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55500909181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310121 + ... + 455166.

It is an arithmetic number, because the mean of its divisors is an integer number (3994803360).

Almost surely, 255500909101 is an apocalyptic number.

It is an amenable number.

55500909101 is a deficient number, since it is larger than the sum of its proper divisors (8415944659).

55500909101 is a wasteful number, since it uses less digits than its factorization.

55500909101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765664.

The product of its (nonzero) digits is 10125, while the sum is 35.

The spelling of 55500909101 in words is "fifty-five billion, five hundred million, nine hundred nine thousand, one hundred one".

Divisors: 1 11 19 209 347 3817 6593 72523 765287 8418157 14540453 159944983 265554589 2921100479 5045537191 55500909101