56577726087 has 8 divisors (see below), whose sum is σ = 75715334400. Its totient is φ = 37579300920.

The previous prime is 56577726077. The next prime is 56577726089. The reversal of 56577726087 is 78062777565.

It is a happy number.

56577726087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 56577726087 - 2⁴ = 56577726071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56577726087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56577726089) 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, 34794837 + ... + 34796462.

It is an arithmetic number, because the mean of its divisors is an integer number (9464416800).

Almost surely, 2^56577726087 is an apocalyptic number.

56577726087 is a deficient number, since it is larger than the sum of its proper divisors (19137608313).

56577726087 is a wasteful number, since it uses less digits than its factorization.

56577726087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69591573.

The product of its (nonzero) digits is 34574400, while the sum is 60.

The spelling of 56577726087 in words is "fifty-six billion, five hundred seventy-seven million, seven hundred twenty-six thousand, eighty-seven".