57463920 has 60 divisors (see below), whose sum is σ = 192985416. Its totient is φ = 15323520.

The previous prime is 57463909. The next prime is 57463943. The reversal of 57463920 is 2936475.

57463920 is a `hidden beast` number, since 574 + 63 + 9 + 20 = 666.

57463920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39186 + ... + 40625.

Almost surely, 2^57463920 is an apocalyptic number.

It is an amenable number.

57463920 is an abundant number, since it is smaller than the sum of its proper divisors (135521496).

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

57463920 is a wasteful number, since it uses less digits than its factorization.

57463920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79830 (or 79821 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 57463920 is about 7580.4960259867. The cubic root of 57463920 is about 385.8913848695.

The spelling of 57463920 in words is "fifty-seven million, four hundred sixty-three thousand, nine hundred twenty".