57052815 has 16 divisors (see below), whose sum is σ = 91568256. Its totient is φ = 30333600.

The previous prime is 57052813. The next prime is 57052837. The reversal of 57052815 is 51825075.

It is a happy number.

It is not a de Polignac number, because 57052815 - 2¹ = 57052813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57052813) 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, 781 + ... + 10710.

It is an arithmetic number, because the mean of its divisors is an integer number (5723016).

Almost surely, 2^57052815 is an apocalyptic number.

57052815 is a deficient number, since it is larger than the sum of its proper divisors (34515441).

57052815 is a wasteful number, since it uses less digits than its factorization.

57052815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11830.

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

The square root of 57052815 is about 7553.3313842304. The cubic root of 57052815 is about 384.9689411050.

The spelling of 57052815 in words is "fifty-seven million, fifty-two thousand, eight hundred fifteen".