57453631 has 2 divisors, whose sum is σ = 57453632. Its totient is φ = 57453630.

The previous prime is 57453629. The next prime is 57453647. The reversal of 57453631 is 13635475.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57453631 - 2¹ = 57453629 is a prime.

It is a super-2 number, since 2×57453631² = 6601839430168322, which contains 22 as substring.

Together with 57453629, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57453661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28726815 + 28726816.

It is an arithmetic number, because the mean of its divisors is an integer number (28726816).

Almost surely, 2^57453631 is an apocalyptic number.

57453631 is a deficient number, since it is larger than the sum of its proper divisors (1).

57453631 is an equidigital number, since it uses as much as digits as its factorization.

57453631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 34.

The square root of 57453631 is about 7579.8173460843. The cubic root of 57453631 is about 385.8683520201.

The spelling of 57453631 in words is "fifty-seven million, four hundred fifty-three thousand, six hundred thirty-one".