57187012 has 24 divisors (see below), whose sum is σ = 102271232. Its totient is φ = 27972000.

The previous prime is 57187007. The next prime is 57187019. The reversal of 57187012 is 21078175.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (57187019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53887 + ... + 54937.

Almost surely, 2^57187012 is an apocalyptic number.

It is an amenable number.

57187012 is a deficient number, since it is larger than the sum of its proper divisors (45084220).

57187012 is a wasteful number, since it uses less digits than its factorization.

57187012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339 (or 1337 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 57187012 is about 7562.2094654935. The cubic root of 57187012 is about 385.2705401551.

The spelling of 57187012 in words is "fifty-seven million, one hundred eighty-seven thousand, twelve".