56405227 has 8 divisors (see below), whose sum is σ = 57153600. Its totient is φ = 55662024.

The previous prime is 56405191. The next prime is 56405231. The reversal of 56405227 is 72250465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56405227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56405257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23748 + ... + 26014.

It is an arithmetic number, because the mean of its divisors is an integer number (7144200).

Almost surely, 2^56405227 is an apocalyptic number.

56405227 is a deficient number, since it is larger than the sum of its proper divisors (748373).

56405227 is a wasteful number, since it uses less digits than its factorization.

56405227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 56405227 is about 7510.3413371164. The cubic root of 56405227 is about 383.5068426032.

The spelling of 56405227 in words is "fifty-six million, four hundred five thousand, two hundred twenty-seven".