57516617244 has 24 divisors (see below), whose sum is σ = 134358492688. Its totient is φ = 19150341120.

The previous prime is 57516617209. The next prime is 57516617267. The reversal of 57516617244 is 44271661575.

It is a super-2 number, since 2×57516617244² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57516617193 and 57516617202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2722117 + ... + 2743164.

Almost surely, 2^57516617244 is an apocalyptic number.

It is an amenable number.

57516617244 is an abundant number, since it is smaller than the sum of its proper divisors (76841875444).

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

57516617244 is a wasteful number, since it uses less digits than its factorization.

57516617244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5466165 (or 5466163 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 48.

The spelling of 57516617244 in words is "fifty-seven billion, five hundred sixteen million, six hundred seventeen thousand, two hundred forty-four".