56452973 has 2 divisors, whose sum is σ = 56452974. Its totient is φ = 56452972.

The previous prime is 56452951. The next prime is 56452987. The reversal of 56452973 is 37925465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43586404 + 12866569 = 6602^2 + 3587^2 .

It is a cyclic number.

It is not a de Polignac number, because 56452973 - 2⁶ = 56452909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56452973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56452943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28226486 + 28226487.

It is an arithmetic number, because the mean of its divisors is an integer number (28226487).

Almost surely, 2^56452973 is an apocalyptic number.

It is an amenable number.

56452973 is a deficient number, since it is larger than the sum of its proper divisors (1).

56452973 is an equidigital number, since it uses as much as digits as its factorization.

56452973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 41.

The square root of 56452973 is about 7513.5193484811. The cubic root of 56452973 is about 383.6150226099.

The spelling of 56452973 in words is "fifty-six million, four hundred fifty-two thousand, nine hundred seventy-three".