57988013 has 2 divisors, whose sum is σ = 57988014. Its totient is φ = 57988012.

The previous prime is 57988009. The next prime is 57988027. The reversal of 57988013 is 31088975.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43072969 + 14915044 = 6563^2 + 3862^2 .

It is a cyclic number.

It is not a de Polignac number, because 57988013 - 2² = 57988009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57988813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28994006 + 28994007.

It is an arithmetic number, because the mean of its divisors is an integer number (28994007).

Almost surely, 2^57988013 is an apocalyptic number.

It is an amenable number.

57988013 is a deficient number, since it is larger than the sum of its proper divisors (1).

57988013 is an equidigital number, since it uses as much as digits as its factorization.

57988013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 57988013 is about 7614.9860800923. The cubic root of 57988013 is about 387.0609954448.

The spelling of 57988013 in words is "fifty-seven million, nine hundred eighty-eight thousand, thirteen".