56577554771 has 8 divisors (see below), whose sum is σ = 56642320224. Its totient is φ = 56512821760.

The previous prime is 56577554731. The next prime is 56577554777. The reversal of 56577554771 is 17745577565.

56577554771 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 a cyclic number.

It is not a de Polignac number, because 56577554771 - 2⁶ = 56577554707 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 56577554771.

It is not an unprimeable number, because it can be changed into a prime (56577554777) 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, 5316626 + ... + 5327256.

It is an arithmetic number, because the mean of its divisors is an integer number (7080290028).

Almost surely, 2^56577554771 is an apocalyptic number.

56577554771 is a deficient number, since it is larger than the sum of its proper divisors (64765453).

56577554771 is a wasteful number, since it uses less digits than its factorization.

56577554771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16221.

The product of its digits is 36015000, while the sum is 59.

The spelling of 56577554771 in words is "fifty-six billion, five hundred seventy-seven million, five hundred fifty-four thousand, seven hundred seventy-one".