57066080 has 24 divisors (see below), whose sum is σ = 134818992. Its totient is φ = 22826368.

The previous prime is 57066077. The next prime is 57066091. The reversal of 57066080 is 8066075.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178172 + ... + 178491.

It is an arithmetic number, because the mean of its divisors is an integer number (5617458).

Almost surely, 2^57066080 is an apocalyptic number.

It is an amenable number.

57066080 is an abundant number, since it is smaller than the sum of its proper divisors (77752912).

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

57066080 is a wasteful number, since it uses less digits than its factorization.

57066080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356678 (or 356670 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 57066080 is about 7554.2094225670. The cubic root of 57066080 is about 384.9987743819.

The spelling of 57066080 in words is "fifty-seven million, sixty-six thousand, eighty".