57164285 has 8 divisors (see below), whose sum is σ = 72632376. Its totient is φ = 43041280.

The previous prime is 57164281. The next prime is 57164309. The reversal of 57164285 is 58246175.

57164285 = T₁₁₁₇ + T₁₁₁₈ + ... + T₁₂₀₁.

It can be written as a sum of positive squares in 4 ways, for example, as 32194276 + 24970009 = 5674^2 + 4997^2 .

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

It is not a de Polignac number, because 57164285 - 2² = 57164281 is a prime.

It is a super-2 number, since 2×57164285² = 6535510959122450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57164281) 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, 336176 + ... + 336345.

It is an arithmetic number, because the mean of its divisors is an integer number (9079047).

Almost surely, 2^57164285 is an apocalyptic number.

It is an amenable number.

57164285 is a deficient number, since it is larger than the sum of its proper divisors (15468091).

57164285 is a wasteful number, since it uses less digits than its factorization.

57164285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672543.

The product of its digits is 67200, while the sum is 38.

The square root of 57164285 is about 7560.7066468684. The cubic root of 57164285 is about 385.2194959089.

It can be divided in two parts, 5716 and 4285, that added together give a palindrome (10001).

The spelling of 57164285 in words is "fifty-seven million, one hundred sixty-four thousand, two hundred eighty-five".