52149612 has 12 divisors (see below), whose sum is σ = 121682456. Its totient is φ = 17383200.

The previous prime is 52149593. The next prime is 52149631. The reversal of 52149612 is 21694125.

It is an interprime number because it is at equal distance from previous prime (52149593) and next prime (52149631).

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

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 52149612.

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, 2172889 + ... + 2172912.

Almost surely, 2^52149612 is an apocalyptic number.

It is an amenable number.

52149612 is an abundant number, since it is smaller than the sum of its proper divisors (69532844).

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

52149612 is a wasteful number, since it uses less digits than its factorization.

52149612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345808 (or 4345806 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 52149612 is about 7221.4688256614. The cubic root of 52149612 is about 373.6087398818.

The spelling of 52149612 in words is "fifty-two million, one hundred forty-nine thousand, six hundred twelve".