57470257 has 8 divisors (see below), whose sum is σ = 64025640. Its totient is φ = 51219840.

The previous prime is 57470239. The next prime is 57470263. The reversal of 57470257 is 75207475.

It can be written as a sum of positive squares in 4 ways, for example, as 331776 + 57138481 = 576^2 + 7559^2 .

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 57470257 - 2¹¹ = 57468209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57470227) 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, 75844 + ... + 76597.

It is an arithmetic number, because the mean of its divisors is an integer number (8003205).

Almost surely, 2^57470257 is an apocalyptic number.

It is an amenable number.

57470257 is a deficient number, since it is larger than the sum of its proper divisors (6555383).

57470257 is a wasteful number, since it uses less digits than its factorization.

57470257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152483.

The product of its (nonzero) digits is 68600, while the sum is 37.

The square root of 57470257 is about 7580.9139950272. The cubic root of 57470257 is about 385.9055694444.

The spelling of 57470257 in words is "fifty-seven million, four hundred seventy thousand, two hundred fifty-seven".