57013285 has 16 divisors (see below), whose sum is σ = 78360192. Its totient is φ = 39009600.

The previous prime is 57013283. The next prime is 57013289. The reversal of 57013285 is 58231075.

It is not a de Polignac number, because 57013285 - 2¹ = 57013283 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 (57013283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17430 + ... + 20440.

It is an arithmetic number, because the mean of its divisors is an integer number (4897512).

Almost surely, 2^57013285 is an apocalyptic number.

It is an amenable number.

57013285 is a deficient number, since it is larger than the sum of its proper divisors (21346907).

57013285 is a wasteful number, since it uses less digits than its factorization.

57013285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 57013285 is about 7550.7142046299. The cubic root of 57013285 is about 384.8800098329.

The spelling of 57013285 in words is "fifty-seven million, thirteen thousand, two hundred eighty-five".