56243890100 has 36 divisors (see below), whose sum is σ = 122314090668. Its totient is φ = 22448736000.

The previous prime is 56243890097. The next prime is 56243890141. The reversal of 56243890100 is 109834265.

It is a happy number.

56243890100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 906973456 + 55336916644 = 30116^2 + 235238^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 563921 + ... + 656120.

Almost surely, 2^56243890100 is an apocalyptic number.

56243890100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56243890100 is an abundant number, since it is smaller than the sum of its proper divisors (66070200568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56243890100 is a wasteful number, since it uses less digits than its factorization.

56243890100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220516 (or 1220509 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 56243890100 in words is "fifty-six billion, two hundred forty-three million, eight hundred ninety thousand, one hundred".