56404563700 has 72 divisors (see below), whose sum is σ = 125130991104. Its totient is φ = 22059024000.

The previous prime is 56404563673. The next prime is 56404563713. The reversal of 56404563700 is 736540465.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4981045 + ... + 4992355.

It is an arithmetic number, because the mean of its divisors is an integer number (1737930432).

Almost surely, 2^56404563700 is an apocalyptic number.

56404563700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56404563700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62565495552).

56404563700 is an abundant number, since it is smaller than the sum of its proper divisors (68726427404).

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

56404563700 is a wasteful number, since it uses less digits than its factorization.

56404563700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12433 (or 12426 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 56404563700 in words is "fifty-six billion, four hundred four million, five hundred sixty-three thousand, seven hundred".