56405357 has 16 divisors (see below), whose sum is σ = 61363200. Its totient is φ = 51678000.

The previous prime is 56405341. The next prime is 56405383. The reversal of 56405357 is 75350465.

It is a cyclic number.

It is not a de Polignac number, because 56405357 - 2⁴ = 56405341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56405317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74732 + ... + 75482.

It is an arithmetic number, because the mean of its divisors is an integer number (3835200).

Almost surely, 2^56405357 is an apocalyptic number.

It is an amenable number.

56405357 is a deficient number, since it is larger than the sum of its proper divisors (4957843).

56405357 is a wasteful number, since it uses less digits than its factorization.

56405357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 56405357 is about 7510.3499918446. The cubic root of 56405357 is about 383.5071372322.

The spelling of 56405357 in words is "fifty-six million, four hundred five thousand, three hundred fifty-seven".