52809612 has 12 divisors (see below), whose sum is σ = 123222456. Its totient is φ = 17603200.

The previous prime is 52809577. The next prime is 52809629. The reversal of 52809612 is 21690825.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2200389 + ... + 2200412.

It is an arithmetic number, because the mean of its divisors is an integer number (10268538).

Almost surely, 2^52809612 is an apocalyptic number.

It is an amenable number.

52809612 is an abundant number, since it is smaller than the sum of its proper divisors (70412844).

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

52809612 is a wasteful number, since it uses less digits than its factorization.

52809612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400808 (or 4400806 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 52809612 is about 7267.0222237172. The cubic root of 52809612 is about 375.1782548094.

The spelling of 52809612 in words is "fifty-two million, eight hundred nine thousand, six hundred twelve".