57066156 has 36 divisors (see below), whose sum is σ = 164858512. Its totient is φ = 16304544.

The previous prime is 57066143. The next prime is 57066181. The reversal of 57066156 is 65166075.

It is a happy number.

57066156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 57066156.

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 11 ways as a sum of consecutive naturals, for example, 112975 + ... + 113478.

Almost surely, 2^57066156 is an apocalyptic number.

It is an amenable number.

57066156 is an abundant number, since it is smaller than the sum of its proper divisors (107792356).

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

57066156 is a wasteful number, since it uses less digits than its factorization.

57066156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226470 (or 226465 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 57066156 is about 7554.2144528733. The cubic root of 57066156 is about 384.9989452942.

The spelling of 57066156 in words is "fifty-seven million, sixty-six thousand, one hundred fifty-six".