56432407 has 2 divisors, whose sum is σ = 56432408. Its totient is φ = 56432406.

The previous prime is 56432377. The next prime is 56432417. The reversal of 56432407 is 70423465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56432407 - 2⁷ = 56432279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56432417) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28216203 + 28216204.

It is an arithmetic number, because the mean of its divisors is an integer number (28216204).

Almost surely, 2^56432407 is an apocalyptic number.

56432407 is a deficient number, since it is larger than the sum of its proper divisors (1).

56432407 is an equidigital number, since it uses as much as digits as its factorization.

56432407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 56432407 is about 7512.1506241555. The cubic root of 56432407 is about 383.5684328889.

The spelling of 56432407 in words is "fifty-six million, four hundred thirty-two thousand, four hundred seven".