57453937 has 2 divisors, whose sum is σ = 57453938. Its totient is φ = 57453936.

The previous prime is 57453919. The next prime is 57453941. The reversal of 57453937 is 73935475.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42523441 + 14930496 = 6521^2 + 3864^2 .

It is a cyclic number.

It is not a de Polignac number, because 57453937 - 2²³ = 49065329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57453893 and 57453902.

It is not a weakly prime, because it can be changed into another prime (57453917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28726968 + 28726969.

It is an arithmetic number, because the mean of its divisors is an integer number (28726969).

Almost surely, 2^57453937 is an apocalyptic number.

It is an amenable number.

57453937 is a deficient number, since it is larger than the sum of its proper divisors (1).

57453937 is an equidigital number, since it uses as much as digits as its factorization.

57453937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 396900, while the sum is 43.

The square root of 57453937 is about 7579.8375312404. The cubic root of 57453937 is about 385.8690370682.

The spelling of 57453937 in words is "fifty-seven million, four hundred fifty-three thousand, nine hundred thirty-seven".