57257283 has 8 divisors (see below), whose sum is σ = 76382208. Its totient is φ = 38151944.

The previous prime is 57257243. The next prime is 57257323. The reversal of 57257283 is 38275275.

It is an interprime number because it is at equal distance from previous prime (57257243) and next prime (57257323).

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 57257283 - 2⁶ = 57257219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57257243) 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, 4510 + ... + 11612.

It is an arithmetic number, because the mean of its divisors is an integer number (9547776).

Almost surely, 2^57257283 is an apocalyptic number.

57257283 is a deficient number, since it is larger than the sum of its proper divisors (19124925).

57257283 is a wasteful number, since it uses less digits than its factorization.

57257283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9793.

The product of its digits is 117600, while the sum is 39.

The square root of 57257283 is about 7566.8542340923. The cubic root of 57257283 is about 385.4282814765.

The spelling of 57257283 in words is "fifty-seven million, two hundred fifty-seven thousand, two hundred eighty-three".