56393910 has 24 divisors (see below), whose sum is σ = 146624400. Its totient is φ = 15038352.

The previous prime is 56393903. The next prime is 56393923. The reversal of 56393910 is 1939365.

56393910 is a `hidden beast` number, since 5 + 639 + 3 + 9 + 10 = 666.

It is a Curzon number.

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, 313210 + ... + 313389.

It is an arithmetic number, because the mean of its divisors is an integer number (6109350).

Almost surely, 2^56393910 is an apocalyptic number.

56393910 is an abundant number, since it is smaller than the sum of its proper divisors (90230490).

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

56393910 is a wasteful number, since it uses less digits than its factorization.

56393910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626612 (or 626609 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 36.

The square root of 56393910 is about 7509.5878715147. The cubic root of 56393910 is about 383.4811922780.

The spelling of 56393910 in words is "fifty-six million, three hundred ninety-three thousand, nine hundred ten".