56405366 has 16 divisors (see below), whose sum is σ = 85896720. Its totient is φ = 27776640.

The previous prime is 56405341. The next prime is 56405383. The reversal of 56405366 is 66350465.

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, 37346 + ... + 38826.

It is an arithmetic number, because the mean of its divisors is an integer number (5368545).

Almost surely, 2^56405366 is an apocalyptic number.

56405366 is a deficient number, since it is larger than the sum of its proper divisors (29491354).

56405366 is a wasteful number, since it uses less digits than its factorization.

56405366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 56405366 is about 7510.3505910177. The cubic root of 56405366 is about 383.5071576296.

The spelling of 56405366 in words is "fifty-six million, four hundred five thousand, three hundred sixty-six".