57079280 has 20 divisors (see below), whose sum is σ = 132709512. Its totient is φ = 22831680.

The previous prime is 57079273. The next prime is 57079289. The reversal of 57079280 is 8297075.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57079289) 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, 356666 + ... + 356825.

Almost surely, 2^57079280 is an apocalyptic number.

It is an amenable number.

57079280 is an abundant number, since it is smaller than the sum of its proper divisors (75630232).

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

57079280 is a wasteful number, since it uses less digits than its factorization.

57079280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713504 (or 713498 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 57079280 is about 7555.0830571212. The cubic root of 57079280 is about 385.0284568835.

The spelling of 57079280 in words is "fifty-seven million, seventy-nine thousand, two hundred eighty".