57630539 has 2 divisors, whose sum is σ = 57630540. Its totient is φ = 57630538.

The previous prime is 57630523. The next prime is 57630563. The reversal of 57630539 is 93503675.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57630539 - 2⁴ = 57630523 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57632539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28815269 + 28815270.

It is an arithmetic number, because the mean of its divisors is an integer number (28815270).

Almost surely, 2^57630539 is an apocalyptic number.

57630539 is a deficient number, since it is larger than the sum of its proper divisors (1).

57630539 is an equidigital number, since it uses as much as digits as its factorization.

57630539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85050, while the sum is 38.

The square root of 57630539 is about 7591.4780510781. The cubic root of 57630539 is about 386.2639942842.

The spelling of 57630539 in words is "fifty-seven million, six hundred thirty thousand, five hundred thirty-nine".