57921552020 has 12 divisors (see below), whose sum is σ = 121635259284. Its totient is φ = 23168620800.

The previous prime is 57921552019. The next prime is 57921552043. The reversal of 57921552020 is 2025512975.

It can be written as a sum of positive squares in 2 ways, for example, as 9901842064 + 48019709956 = 99508^2 + 219134^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1448038781 + ... + 1448038820.

It is an arithmetic number, because the mean of its divisors is an integer number (10136271607).

Almost surely, 2^57921552020 is an apocalyptic number.

It is an amenable number.

57921552020 is an abundant number, since it is smaller than the sum of its proper divisors (63713707264).

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

57921552020 is a wasteful number, since it uses less digits than its factorization.

57921552020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896077610 (or 2896077608 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 38.

The spelling of 57921552020 in words is "fifty-seven billion, nine hundred twenty-one million, five hundred fifty-two thousand, twenty".