56577554761 has 16 divisors (see below), whose sum is σ = 70165484928. Its totient is φ = 44422934400.

The previous prime is 56577554731. The next prime is 56577554777. The reversal of 56577554761 is 16745577565.

It is not a de Polignac number, because 56577554761 - 2¹³ = 56577546569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56577554696 and 56577554705.

It is not an unprimeable number, because it can be changed into a prime (56577554731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2361100 + ... + 2384941.

It is an arithmetic number, because the mean of its divisors is an integer number (4385342808).

Almost surely, 2^56577554761 is an apocalyptic number.

It is an amenable number.

56577554761 is a deficient number, since it is larger than the sum of its proper divisors (13587930167).

56577554761 is a wasteful number, since it uses less digits than its factorization.

56577554761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746192.

The product of its digits is 30870000, while the sum is 58.

The spelling of 56577554761 in words is "fifty-six billion, five hundred seventy-seven million, five hundred fifty-four thousand, seven hundred sixty-one".