56433331 has 2 divisors, whose sum is σ = 56433332. Its totient is φ = 56433330.

The previous prime is 56433301. The next prime is 56433337. The reversal of 56433331 is 13333465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56433331 - 2⁷ = 56433203 is a prime.

It is a super-2 number, since 2×56433331² = 6369441695511122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56433331.

It is not a weakly prime, because it can be changed into another prime (56433337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28216665 + 28216666.

It is an arithmetic number, because the mean of its divisors is an integer number (28216666).

Almost surely, 2^56433331 is an apocalyptic number.

56433331 is a deficient number, since it is larger than the sum of its proper divisors (1).

56433331 is an equidigital number, since it uses as much as digits as its factorization.

56433331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 28.

The square root of 56433331 is about 7512.2121242681. The cubic root of 56433331 is about 383.5705263390.

Adding to 56433331 its reverse (13333465), we get a palindrome (69766796).

The spelling of 56433331 in words is "fifty-six million, four hundred thirty-three thousand, three hundred thirty-one".