57453812 has 48 divisors (see below), whose sum is σ = 115944192. Its totient is φ = 24675840.

The previous prime is 57453769. The next prime is 57453821. The reversal of 57453812 is 21835475.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90737 + ... + 91367.

It is an arithmetic number, because the mean of its divisors is an integer number (2415504).

Almost surely, 2^57453812 is an apocalyptic number.

57453812 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

57453812 is an abundant number, since it is smaller than the sum of its proper divisors (58490380).

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

57453812 is a wasteful number, since it uses less digits than its factorization.

57453812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 766 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 57453812 is about 7579.8292856766. The cubic root of 57453812 is about 385.8687572286.

The spelling of 57453812 in words is "fifty-seven million, four hundred fifty-three thousand, eight hundred twelve".