57004537 has 2 divisors, whose sum is σ = 57004538. Its totient is φ = 57004536.

The previous prime is 57004529. The next prime is 57004543. The reversal of 57004537 is 73540075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34999056 + 22005481 = 5916^2 + 4691^2 .

It is a cyclic number.

It is not a de Polignac number, because 57004537 - 2³ = 57004529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57004499 and 57004508.

It is not a weakly prime, because it can be changed into another prime (57002537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28502268 + 28502269.

It is an arithmetic number, because the mean of its divisors is an integer number (28502269).

Almost surely, 2^57004537 is an apocalyptic number.

It is an amenable number.

57004537 is a deficient number, since it is larger than the sum of its proper divisors (1).

57004537 is an equidigital number, since it uses as much as digits as its factorization.

57004537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 57004537 is about 7550.1348994571. The cubic root of 57004537 is about 384.8603237630.

The spelling of 57004537 in words is "fifty-seven million, four thousand, five hundred thirty-seven".