56433217 has 16 divisors (see below), whose sum is σ = 62421840. Its totient is φ = 50778112.

The previous prime is 56433203. The next prime is 56433227. The reversal of 56433217 is 71233465.

It can be written as a sum of positive squares in 8 ways, for example, as 14753281 + 41679936 = 3841^2 + 6456^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56433217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56433227) 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, 55203 + ... + 56215.

It is an arithmetic number, because the mean of its divisors is an integer number (3901365).

Almost surely, 2^56433217 is an apocalyptic number.

It is an amenable number.

56433217 is a deficient number, since it is larger than the sum of its proper divisors (5988623).

56433217 is a wasteful number, since it uses less digits than its factorization.

56433217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172.

The product of its digits is 15120, while the sum is 31.

The square root of 56433217 is about 7512.2045366191. The cubic root of 56433217 is about 383.5702680575.

The spelling of 56433217 in words is "fifty-six million, four hundred thirty-three thousand, two hundred seventeen".