56501775544 has 16 divisors (see below), whose sum is σ = 106642426320. Its totient is φ = 28063795200.

The previous prime is 56501775541. The next prime is 56501775599. The reversal of 56501775544 is 44557710565.

56501775544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56501775541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23385289 + ... + 23387704.

It is an arithmetic number, because the mean of its divisors is an integer number (6665151645).

Almost surely, 2^56501775544 is an apocalyptic number.

It is an amenable number.

56501775544 is a deficient number, since it is larger than the sum of its proper divisors (50140650776).

56501775544 is a wasteful number, since it uses less digits than its factorization.

56501775544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46773150 (or 46773146 counting only the distinct ones).

The product of its (nonzero) digits is 2940000, while the sum is 49.

The spelling of 56501775544 in words is "fifty-six billion, five hundred one million, seven hundred seventy-five thousand, five hundred forty-four".