57455376 has 160 divisors (see below), whose sum is σ = 177095808. Its totient is φ = 15851520.

The previous prime is 57455371. The next prime is 57455399. The reversal of 57455376 is 67355475.

It is a super-2 number, since 2×57455376² = 6602240462602752, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (57455371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 332026 + ... + 332198.

Almost surely, 2^57455376 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 57455376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88547904).

57455376 is an abundant number, since it is smaller than the sum of its proper divisors (119640432).

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

57455376 is a wasteful number, since it uses less digits than its factorization.

57455376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 243 counting only the distinct ones).

The product of its digits is 441000, while the sum is 42.

The square root of 57455376 is about 7579.9324535249. The cubic root of 57455376 is about 385.8722585528.

Subtracting 57455376 from its reverse (67355475), we obtain a palindrome (9900099).

The spelling of 57455376 in words is "fifty-seven million, four hundred fifty-five thousand, three hundred seventy-six".