57445116 has 12 divisors (see below), whose sum is σ = 134038632. Its totient is φ = 19148368.

The previous prime is 57445109. The next prime is 57445117. The reversal of 57445116 is 61154475.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57445117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2393535 + ... + 2393558.

It is an arithmetic number, because the mean of its divisors is an integer number (11169886).

Almost surely, 2^57445116 is an apocalyptic number.

It is an amenable number.

57445116 is an abundant number, since it is smaller than the sum of its proper divisors (76593516).

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

57445116 is a wasteful number, since it uses less digits than its factorization.

57445116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4787100 (or 4787098 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 57445116 is about 7579.2556362746. The cubic root of 57445116 is about 385.8492883491.

The spelling of 57445116 in words is "fifty-seven million, four hundred forty-five thousand, one hundred sixteen".