52507812 has 48 divisors (see below), whose sum is σ = 142889600. Its totient is φ = 15001056.

The previous prime is 52507801. The next prime is 52507841. The reversal of 52507812 is 21870525.

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 52507812.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2263 + ... + 10494.

Almost surely, 2^52507812 is an apocalyptic number.

It is an amenable number.

52507812 is an abundant number, since it is smaller than the sum of its proper divisors (90381788).

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

52507812 is a wasteful number, since it uses less digits than its factorization.

52507812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12785 (or 12769 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 52507812 is about 7246.2274322574. The cubic root of 52507812 is about 374.4621908433.

The spelling of 52507812 in words is "fifty-two million, five hundred seven thousand, eight hundred twelve".