55651011108 has 96 divisors (see below), whose sum is σ = 163563122688. Its totient is φ = 14305766400.

The previous prime is 55651011103. The next prime is 55651011109. The reversal of 55651011108 is 80111015655.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (55651011103) 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, 220828 + ... + 400083.

It is an arithmetic number, because the mean of its divisors is an integer number (1703782528).

Almost surely, 2^55651011108 is an apocalyptic number.

It is an amenable number.

55651011108 is an abundant number, since it is smaller than the sum of its proper divisors (107912111580).

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

55651011108 is a wasteful number, since it uses less digits than its factorization.

55651011108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621033 (or 621031 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 33.

The spelling of 55651011108 in words is "fifty-five billion, six hundred fifty-one million, eleven thousand, one hundred eight".