57816402 has 32 divisors (see below), whose sum is σ = 132959232. Its totient is φ = 16418064.

The previous prime is 57816391. The next prime is 57816403. The reversal of 57816402 is 20461875.

57816402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (57816403) by changing a digit.

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, 2893 + ... + 11135.

It is an arithmetic number, because the mean of its divisors is an integer number (4154976).

Almost surely, 2^57816402 is an apocalyptic number.

57816402 is an abundant number, since it is smaller than the sum of its proper divisors (75142830).

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

57816402 is a wasteful number, since it uses less digits than its factorization.

57816402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8422.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 57816402 is about 7603.7097524827. The cubic root of 57816402 is about 386.6787925580.

The spelling of 57816402 in words is "fifty-seven million, eight hundred sixteen thousand, four hundred two".