57573516 has 96 divisors (see below), whose sum is σ = 180407808. Its totient is φ = 13800960.

The previous prime is 57573493. The next prime is 57573521. The reversal of 57573516 is 61537575.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9616 + ... + 14408.

It is an arithmetic number, because the mean of its divisors is an integer number (1879248).

Almost surely, 2^57573516 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 57573516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90203904).

57573516 is an abundant number, since it is smaller than the sum of its proper divisors (122834292).

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

57573516 is a wasteful number, since it uses less digits than its factorization.

57573516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4831 (or 4829 counting only the distinct ones).

The product of its digits is 110250, while the sum is 39.

The square root of 57573516 is about 7587.7213970994. The cubic root of 57573516 is about 386.1365549052.

The spelling of 57573516 in words is "fifty-seven million, five hundred seventy-three thousand, five hundred sixteen".