57320820100 has 36 divisors (see below), whose sum is σ = 124511156644. Its totient is φ = 22905290880.

The previous prime is 57320820097. The next prime is 57320820113. The reversal of 57320820100 is 102802375.

It can be written as a sum of positive squares in 6 ways, for example, as 631114884 + 56689705216 = 25122^2 + 238096^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187767 + ... + 387166.

Almost surely, 2^57320820100 is an apocalyptic number.

57320820100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57320820100 is an abundant number, since it is smaller than the sum of its proper divisors (67190336544).

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

57320820100 is a wasteful number, since it uses less digits than its factorization.

57320820100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575944 (or 575937 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 57320820100 in words is "fifty-seven billion, three hundred twenty million, eight hundred twenty thousand, one hundred".