57037081 has 2 divisors, whose sum is σ = 57037082. Its totient is φ = 57037080.

The previous prime is 57037021. The next prime is 57037087. The reversal of 57037081 is 18073075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54760000 + 2277081 = 7400^2 + 1509^2 .

It is a cyclic number.

It is not a de Polignac number, because 57037081 - 2⁹ = 57036569 is a prime.

It is a super-2 number, since 2×57037081² = 6506457218001122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57037087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28518540 + 28518541.

It is an arithmetic number, because the mean of its divisors is an integer number (28518541).

Almost surely, 2^57037081 is an apocalyptic number.

It is an amenable number.

57037081 is a deficient number, since it is larger than the sum of its proper divisors (1).

57037081 is an equidigital number, since it uses as much as digits as its factorization.

57037081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 57037081 is about 7552.2897852241. The cubic root of 57037081 is about 384.9335489967.

The spelling of 57037081 in words is "fifty-seven million, thirty-seven thousand, eighty-one".