52569612 has 18 divisors (see below), whose sum is σ = 132884388. Its totient is φ = 17523192.

The previous prime is 52569611. The next prime is 52569613. The reversal of 52569612 is 21696525.

It is an interprime number because it is at equal distance from previous prime (52569611) and next prime (52569613).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1460267 = 52569612 / (5 + 2 + 5 + 6 + 9 + 6 + 1 + 2).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (52569611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 730098 + ... + 730169.

It is an arithmetic number, because the mean of its divisors is an integer number (7382466).

Almost surely, 2^52569612 is an apocalyptic number.

It is an amenable number.

52569612 is an abundant number, since it is smaller than the sum of its proper divisors (80314776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52569612 is a wasteful number, since it uses less digits than its factorization.

52569612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460277 (or 1460272 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 52569612 is about 7250.4904661685. The cubic root of 52569612 is about 374.6090432158.

The spelling of 52569612 in words is "fifty-two million, five hundred sixty-nine thousand, six hundred twelve".