52578315 has 40 divisors (see below), whose sum is σ = 94873680. Its totient is φ = 27857088.

The previous prime is 52578311. The next prime is 52578319. The reversal of 52578315 is 51387525.

52578315 is a `hidden beast` number, since 52 + 578 + 31 + 5 = 666.

52578315 is nontrivially palindromic in base 8.

It is an interprime number because it is at equal distance from previous prime (52578311) and next prime (52578319).

It is not a de Polignac number, because 52578315 - 2² = 52578311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52578315.

It is not an unprimeable number, because it can be changed into a prime (52578311) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 79456 + ... + 80114.

It is an arithmetic number, because the mean of its divisors is an integer number (2371842).

Almost surely, 2^52578315 is an apocalyptic number.

52578315 is a deficient number, since it is larger than the sum of its proper divisors (42295365).

52578315 is a wasteful number, since it uses less digits than its factorization.

52578315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873 (or 864 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 52578315 is about 7251.0906076259. The cubic root of 52578315 is about 374.6297144901.

The spelling of 52578315 in words is "fifty-two million, five hundred seventy-eight thousand, three hundred fifteen".