57715247620 has 12 divisors (see below), whose sum is σ = 121202020044. Its totient is φ = 23086099040.

The previous prime is 57715247591. The next prime is 57715247659. The reversal of 57715247620 is 2674251775.

It can be written as a sum of positive squares in 2 ways, for example, as 37635224004 + 20080023616 = 193998^2 + 141704^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1442881171 + ... + 1442881210.

It is an arithmetic number, because the mean of its divisors is an integer number (10100168337).

Almost surely, 2^57715247620 is an apocalyptic number.

It is an amenable number.

57715247620 is an abundant number, since it is smaller than the sum of its proper divisors (63486772424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57715247620 is a wasteful number, since it uses less digits than its factorization.

57715247620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885762390 (or 2885762388 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 46.

The spelling of 57715247620 in words is "fifty-seven billion, seven hundred fifteen million, two hundred forty-seven thousand, six hundred twenty".