56753221558 has 16 divisors (see below), whose sum is σ = 92996676864. Its totient is φ = 25761427560.

The previous prime is 56753221529. The next prime is 56753221601. The reversal of 56753221558 is 85512235765.

It is a super-2 number, since 2×56753221558² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1758210 + ... + 1790197.

It is an arithmetic number, because the mean of its divisors is an integer number (5812292304).

Almost surely, 2^56753221558 is an apocalyptic number.

56753221558 is a deficient number, since it is larger than the sum of its proper divisors (36243455306).

56753221558 is a wasteful number, since it uses less digits than its factorization.

56753221558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549147.

The product of its digits is 2520000, while the sum is 49.

The spelling of 56753221558 in words is "fifty-six billion, seven hundred fifty-three million, two hundred twenty-one thousand, five hundred fifty-eight".