56605555707 has 32 divisors (see below), whose sum is σ = 80175744000. Its totient is φ = 35400987648.

The previous prime is 56605555703. The next prime is 56605555711. The reversal of 56605555707 is 70755550665.

It is an interprime number because it is at equal distance from previous prime (56605555703) and next prime (56605555711).

It is not a de Polignac number, because 56605555707 - 2² = 56605555703 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 56605555707.

It is not an unprimeable number, because it can be changed into a prime (56605555703) 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, 27095919 + ... + 27098007.

It is an arithmetic number, because the mean of its divisors is an integer number (2505492000).

Almost surely, 2^56605555707 is an apocalyptic number.

56605555707 is a deficient number, since it is larger than the sum of its proper divisors (23570188293).

56605555707 is a wasteful number, since it uses less digits than its factorization.

56605555707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595.

The product of its (nonzero) digits is 5512500, while the sum is 51.

The spelling of 56605555707 in words is "fifty-six billion, six hundred five million, five hundred fifty-five thousand, seven hundred seven".