57128573 has 8 divisors (see below), whose sum is σ = 62750400. Its totient is φ = 51768288.

The previous prime is 57128569. The next prime is 57128581. The reversal of 57128573 is 37582175.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57128573 - 2² = 57128569 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57128543) 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, 64928 + ... + 65801.

It is an arithmetic number, because the mean of its divisors is an integer number (7843800).

Almost surely, 2^57128573 is an apocalyptic number.

It is an amenable number.

57128573 is a deficient number, since it is larger than the sum of its proper divisors (5621827).

57128573 is a wasteful number, since it uses less digits than its factorization.

57128573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130771.

The product of its digits is 58800, while the sum is 38.

The square root of 57128573 is about 7558.3445938909. The cubic root of 57128573 is about 385.1392603539.

The spelling of 57128573 in words is "fifty-seven million, one hundred twenty-eight thousand, five hundred seventy-three".