57632521 has 2 divisors, whose sum is σ = 57632522. Its totient is φ = 57632520.

The previous prime is 57632501. The next prime is 57632539. The reversal of 57632521 is 12523675.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54228496 + 3404025 = 7364^2 + 1845^2 .

It is a cyclic number.

It is not a de Polignac number, because 57632521 - 2⁵ = 57632489 is a prime.

It is not a weakly prime, because it can be changed into another prime (57632501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28816260 + 28816261.

It is an arithmetic number, because the mean of its divisors is an integer number (28816261).

Almost surely, 2^57632521 is an apocalyptic number.

It is an amenable number.

57632521 is a deficient number, since it is larger than the sum of its proper divisors (1).

57632521 is an equidigital number, since it uses as much as digits as its factorization.

57632521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 31.

The square root of 57632521 is about 7591.6085910695. The cubic root of 57632521 is about 386.2684222980.

The spelling of 57632521 in words is "fifty-seven million, six hundred thirty-two thousand, five hundred twenty-one".