57715488442 has 8 divisors (see below), whose sum is σ = 88913049876. Its totient is φ = 28077805152.

The previous prime is 57715488433. The next prime is 57715488469. The reversal of 57715488442 is 24488451775.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 56744480521 + 971007921 = 238211^2 + 31161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389969443 + ... + 389969590.

Almost surely, 2^57715488442 is an apocalyptic number.

57715488442 is a deficient number, since it is larger than the sum of its proper divisors (31197561434).

57715488442 is a wasteful number, since it uses less digits than its factorization.

57715488442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779939072.

The product of its digits is 10035200, while the sum is 55.

The spelling of 57715488442 in words is "fifty-seven billion, seven hundred fifteen million, four hundred eighty-eight thousand, four hundred forty-two".