57590521 has 2 divisors, whose sum is σ = 57590522. Its totient is φ = 57590520.

The previous prime is 57590497. The next prime is 57590531. The reversal of 57590521 is 12509575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57153600 + 436921 = 7560^2 + 661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57590521 is a prime.

It is not a weakly prime, because it can be changed into another prime (57590531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28795260 + 28795261.

It is an arithmetic number, because the mean of its divisors is an integer number (28795261).

Almost surely, 2^57590521 is an apocalyptic number.

It is an amenable number.

57590521 is a deficient number, since it is larger than the sum of its proper divisors (1).

57590521 is an equidigital number, since it uses as much as digits as its factorization.

57590521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 57590521 is about 7588.8418747527. The cubic root of 57590521 is about 386.1745677868.

The spelling of 57590521 in words is "fifty-seven million, five hundred ninety thousand, five hundred twenty-one".