55087159656 has 32 divisors (see below), whose sum is σ = 137782713600. Its totient is φ = 18353744640.

The previous prime is 55087159637. The next prime is 55087159709. The reversal of 55087159656 is 65695178055.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55087159596 and 55087159605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487960 + ... + 590151.

It is an arithmetic number, because the mean of its divisors is an integer number (4305709800).

Almost surely, 2^55087159656 is an apocalyptic number.

It is an amenable number.

55087159656 is an abundant number, since it is smaller than the sum of its proper divisors (82695553944).

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

55087159656 is a wasteful number, since it uses less digits than its factorization.

55087159656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080249 (or 1080245 counting only the distinct ones).

The product of its (nonzero) digits is 11340000, while the sum is 57.

The spelling of 55087159656 in words is "fifty-five billion, eighty-seven million, one hundred fifty-nine thousand, six hundred fifty-six".