57022881816 has 32 divisors (see below), whose sum is σ = 146410104240. Its totient is φ = 18493907328.

The previous prime is 57022881787. The next prime is 57022881823. The reversal of 57022881816 is 61818822075.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 32106591 + ... + 32108366.

Almost surely, 2^57022881816 is an apocalyptic number.

It is an amenable number.

57022881816 is an abundant number, since it is smaller than the sum of its proper divisors (89387222424).

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

57022881816 is a wasteful number, since it uses less digits than its factorization.

57022881816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64215003 (or 64214999 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 48.

The spelling of 57022881816 in words is "fifty-seven billion, twenty-two million, eight hundred eighty-one thousand, eight hundred sixteen".