56406933 has 18 divisors (see below), whose sum is σ = 89558742. Its totient is φ = 34185360.

The previous prime is 56406899. The next prime is 56406937. The reversal of 56406933 is 33960465.

56406933 is a `hidden beast` number, since 5 + 640 + 6 + 9 + 3 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 40985604 + 15421329 = 6402^2 + 3927^2 .

It is not a de Polignac number, because 56406933 - 2¹⁷ = 56275861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56406937) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24810 + ... + 26987.

Almost surely, 2^56406933 is an apocalyptic number.

It is an amenable number.

56406933 is a deficient number, since it is larger than the sum of its proper divisors (33151809).

56406933 is a wasteful number, since it uses less digits than its factorization.

56406933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51825 (or 51811 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 56406933 is about 7510.4549129863. The cubic root of 56406933 is about 383.5107090065.

The spelling of 56406933 in words is "fifty-six million, four hundred six thousand, nine hundred thirty-three".