57472571520 has 1536 divisors, whose sum is σ = 263472168960. Its totient is φ = 11645337600.

The previous prime is 57472571503. The next prime is 57472571539. The reversal of 57472571520 is 2517527475.

57472571520 is a `hidden beast` number, since 5 + 7 + 4 + 72 + 57 + 1 + 520 = 666.

It is a super-2 number, since 2×57472571520² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 438721855 + ... + 438721985.

It is an arithmetic number, because the mean of its divisors is an integer number (171531360).

Almost surely, 2^57472571520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57472571520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131736084480).

57472571520 is an abundant number, since it is smaller than the sum of its proper divisors (205999597440).

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

57472571520 is a wasteful number, since it uses less digits than its factorization.

57472571520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 686000, while the sum is 45.

The spelling of 57472571520 in words is "fifty-seven billion, four hundred seventy-two million, five hundred seventy-one thousand, five hundred twenty".