56655511087 has 8 divisors (see below), whose sum is σ = 64982909216. Its totient is φ = 48386551392.

The previous prime is 56655510997. The next prime is 56655511111. The reversal of 56655511087 is 78011555665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56655511087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56655511087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56655511387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14607528 + ... + 14611405.

It is an arithmetic number, because the mean of its divisors is an integer number (8122863652).

Almost surely, 2^56655511087 is an apocalyptic number.

56655511087 is a deficient number, since it is larger than the sum of its proper divisors (8327398129).

56655511087 is a wasteful number, since it uses less digits than its factorization.

56655511087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29219217.

The product of its (nonzero) digits is 1260000, while the sum is 49.

The spelling of 56655511087 in words is "fifty-six billion, six hundred fifty-five million, five hundred eleven thousand, eighty-seven".