56974453 has 2 divisors, whose sum is σ = 56974454. Its totient is φ = 56974452.

The previous prime is 56974439. The next prime is 56974457. The reversal of 56974453 is 35447965.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39652209 + 17322244 = 6297^2 + 4162^2 .

It is a cyclic number.

It is not a de Polignac number, because 56974453 - 2⁹ = 56973941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56974457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28487226 + 28487227.

It is an arithmetic number, because the mean of its divisors is an integer number (28487227).

Almost surely, 2^56974453 is an apocalyptic number.

It is an amenable number.

56974453 is a deficient number, since it is larger than the sum of its proper divisors (1).

56974453 is an equidigital number, since it uses as much as digits as its factorization.

56974453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 43.

The square root of 56974453 is about 7548.1423542485. The cubic root of 56974453 is about 384.7926088291.

The spelling of 56974453 in words is "fifty-six million, nine hundred seventy-four thousand, four hundred fifty-three".