52612506 has 24 divisors (see below), whose sum is σ = 114166260. Its totient is φ = 17510976.

The previous prime is 52612489. The next prime is 52612507. The reversal of 52612506 is 60521625.

52612506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 51194025 + 1418481 = 7155^2 + 1191^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52612506.

It is not an unprimeable number, because it can be changed into a prime (52612507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12756 + ... + 16368.

Almost surely, 2^52612506 is an apocalyptic number.

52612506 is an abundant number, since it is smaller than the sum of its proper divisors (61553754).

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

52612506 is a wasteful number, since it uses less digits than its factorization.

52612506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4430 (or 4427 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 52612506 is about 7253.4478698065. The cubic root of 52612506 is about 374.7109025177.

The spelling of 52612506 in words is "fifty-two million, six hundred twelve thousand, five hundred six".