56577761441 has 16 divisors (see below), whose sum is σ = 58399017600. Its totient is φ = 54778965120.

The previous prime is 56577761437. The next prime is 56577761447. The reversal of 56577761441 is 14416777565.

It is not a de Polignac number, because 56577761441 - 2² = 56577761437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56577761447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3230390 + ... + 3247856.

It is an arithmetic number, because the mean of its divisors is an integer number (3649938600).

Almost surely, 2^56577761441 is an apocalyptic number.

It is an amenable number.

56577761441 is a deficient number, since it is larger than the sum of its proper divisors (1821256159).

56577761441 is a wasteful number, since it uses less digits than its factorization.

56577761441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18104.

The product of its digits is 4939200, while the sum is 53.

The spelling of 56577761441 in words is "fifty-six billion, five hundred seventy-seven million, seven hundred sixty-one thousand, four hundred forty-one".