57537047 has 2 divisors, whose sum is σ = 57537048. Its totient is φ = 57537046.

The previous prime is 57537041. The next prime is 57537049. The reversal of 57537047 is 74073575.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57537047 - 2²² = 53342743 is a prime.

Together with 57537049, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57537047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57537041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28768523 + 28768524.

It is an arithmetic number, because the mean of its divisors is an integer number (28768524).

Almost surely, 2^57537047 is an apocalyptic number.

57537047 is a deficient number, since it is larger than the sum of its proper divisors (1).

57537047 is an equidigital number, since it uses as much as digits as its factorization.

57537047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102900, while the sum is 38.

The square root of 57537047 is about 7585.3178575456. The cubic root of 57537047 is about 386.0550070606.

The spelling of 57537047 in words is "fifty-seven million, five hundred thirty-seven thousand, forty-seven".