57495420 has 60 divisors (see below), whose sum is σ = 180370344. Its totient is φ = 15331680.

The previous prime is 57495419. The next prime is 57495433. The reversal of 57495420 is 2459475.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16126 + ... + 19365.

Almost surely, 2^57495420 is an apocalyptic number.

It is an amenable number.

57495420 is an abundant number, since it is smaller than the sum of its proper divisors (122874924).

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

57495420 is a wasteful number, since it uses less digits than its factorization.

57495420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35512 (or 35501 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 57495420 is about 7582.5734417808. The cubic root of 57495420 is about 385.9618833562.

The spelling of 57495420 in words is "fifty-seven million, four hundred ninety-five thousand, four hundred twenty".