57940812 has 48 divisors (see below), whose sum is σ = 152140800. Its totient is φ = 19066320.

The previous prime is 57940807. The next prime is 57940843. The reversal of 57940812 is 21804975.

57940812 is a `hidden beast` number, since 579 + 4 + 0 + 81 + 2 = 666.

57940812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 15 ways as a sum of consecutive naturals, for example, 5137 + ... + 11927.

It is an arithmetic number, because the mean of its divisors is an integer number (3169600).

Almost surely, 2^57940812 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 57940812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76070400).

57940812 is an abundant number, since it is smaller than the sum of its proper divisors (94199988).

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

57940812 is a wasteful number, since it uses less digits than its factorization.

57940812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6883 (or 6875 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 57940812 is about 7611.8862314147. The cubic root of 57940812 is about 386.9559471519.

The spelling of 57940812 in words is "fifty-seven million, nine hundred forty thousand, eight hundred twelve".