56755564172 has 6 divisors (see below), whose sum is σ = 99322237308. Its totient is φ = 28377782084.

The previous prime is 56755564171. The next prime is 56755564199. The reversal of 56755564172 is 27146555765.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56755564171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7094445518 + ... + 7094445525.

It is an arithmetic number, because the mean of its divisors is an integer number (16553706218).

Almost surely, 2^56755564172 is an apocalyptic number.

It is an amenable number.

56755564172 is a deficient number, since it is larger than the sum of its proper divisors (42566673136).

56755564172 is a wasteful number, since it uses less digits than its factorization.

56755564172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14188891047 (or 14188891045 counting only the distinct ones).

The product of its digits is 8820000, while the sum is 53.

The spelling of 56755564172 in words is "fifty-six billion, seven hundred fifty-five million, five hundred sixty-four thousand, one hundred seventy-two".