57075320 has 16 divisors (see below), whose sum is σ = 128419560. Its totient is φ = 22830112.

The previous prime is 57075301. The next prime is 57075353. The reversal of 57075320 is 2357075.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713402 + ... + 713481.

Almost surely, 2^57075320 is an apocalyptic number.

It is an amenable number.

57075320 is an abundant number, since it is smaller than the sum of its proper divisors (71344240).

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

57075320 is a wasteful number, since it uses less digits than its factorization.

57075320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426894 (or 1426890 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 57075320 is about 7554.8209773627. The cubic root of 57075320 is about 385.0195526136.

The spelling of 57075320 in words is "fifty-seven million, seventy-five thousand, three hundred twenty".