56573453 has 2 divisors, whose sum is σ = 56573454. Its totient is φ = 56573452.

The previous prime is 56573369. The next prime is 56573479. The reversal of 56573453 is 35437565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29398084 + 27175369 = 5422^2 + 5213^2 .

It is a cyclic number.

It is not a de Polignac number, because 56573453 - 2⁸ = 56573197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56576453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28286726 + 28286727.

It is an arithmetic number, because the mean of its divisors is an integer number (28286727).

Almost surely, 2^56573453 is an apocalyptic number.

It is an amenable number.

56573453 is a deficient number, since it is larger than the sum of its proper divisors (1).

56573453 is an equidigital number, since it uses as much as digits as its factorization.

56573453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189000, while the sum is 38.

The square root of 56573453 is about 7521.5326230762. The cubic root of 56573453 is about 383.8877280465.

The spelling of 56573453 in words is "fifty-six million, five hundred seventy-three thousand, four hundred fifty-three".