57485737 has 2 divisors, whose sum is σ = 57485738. Its totient is φ = 57485736.

The previous prime is 57485719. The next prime is 57485759. The reversal of 57485737 is 73758475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53421481 + 4064256 = 7309^2 + 2016^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57485737 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57485767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28742868 + 28742869.

It is an arithmetic number, because the mean of its divisors is an integer number (28742869).

Almost surely, 2^57485737 is an apocalyptic number.

It is an amenable number.

57485737 is a deficient number, since it is larger than the sum of its proper divisors (1).

57485737 is an equidigital number, since it uses as much as digits as its factorization.

57485737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 823200, while the sum is 46.

The square root of 57485737 is about 7581.9349113534. The cubic root of 57485737 is about 385.9402150869.

The spelling of 57485737 in words is "fifty-seven million, four hundred eighty-five thousand, seven hundred thirty-seven".