57015285 has 16 divisors (see below), whose sum is σ = 91481856. Its totient is φ = 30322368.

The previous prime is 57015251. The next prime is 57015307. The reversal of 57015285 is 58251075.

It is a happy number.

It is not a de Polignac number, because 57015285 - 2⁶ = 57015221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327 + ... + 10683.

It is an arithmetic number, because the mean of its divisors is an integer number (5717616).

Almost surely, 2^57015285 is an apocalyptic number.

It is an amenable number.

57015285 is a deficient number, since it is larger than the sum of its proper divisors (34466571).

57015285 is a wasteful number, since it uses less digits than its factorization.

57015285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10732.

The product of its (nonzero) digits is 14000, while the sum is 33.

The square root of 57015285 is about 7550.8466412714. The cubic root of 57015285 is about 384.8845102520.

The spelling of 57015285 in words is "fifty-seven million, fifteen thousand, two hundred eighty-five".