57321332500 has 30 divisors (see below), whose sum is σ = 125350295378. Its totient is φ = 22928532000.

The previous prime is 57321332489. The next prime is 57321332557. The reversal of 57321332500 is 523312375.

57321332500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 6210070416 + 51111262084 = 78804^2 + 226078^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11461767 + ... + 11466766.

Almost surely, 2^57321332500 is an apocalyptic number.

57321332500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57321332500 is an abundant number, since it is smaller than the sum of its proper divisors (68028962878).

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

57321332500 is a wasteful number, since it uses less digits than its factorization.

57321332500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22928557 (or 22928540 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 31.

Adding to 57321332500 its reverse (523312375), we get a palindrome (57844644875).

The spelling of 57321332500 in words is "fifty-seven billion, three hundred twenty-one million, three hundred thirty-two thousand, five hundred".