55120107656 has 16 divisors (see below), whose sum is σ = 105549143040. Its totient is φ = 26973669520.

The previous prime is 55120107589. The next prime is 55120107671. The reversal of 55120107656 is 65670102155.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73297640 + ... + 73298391.

It is an arithmetic number, because the mean of its divisors is an integer number (6596821440).

Almost surely, 2^55120107656 is an apocalyptic number.

It is an amenable number.

55120107656 is a deficient number, since it is larger than the sum of its proper divisors (50429035384).

55120107656 is a wasteful number, since it uses less digits than its factorization.

55120107656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146596084 (or 146596080 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 38.

The spelling of 55120107656 in words is "fifty-five billion, one hundred twenty million, one hundred seven thousand, six hundred fifty-six".