52531612 has 12 divisors (see below), whose sum is σ = 105063280. Its totient is φ = 22513536.

The previous prime is 52531597. The next prime is 52531621. The reversal of 52531612 is 21613525.

52531612 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 938037 + ... + 938092.

Almost surely, 2^52531612 is an apocalyptic number.

It is an amenable number.

52531612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

52531612 is a wasteful number, since it uses less digits than its factorization.

52531612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876140 (or 1876138 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 52531612 is about 7247.8694800610. The cubic root of 52531612 is about 374.5187592764.

The spelling of 52531612 in words is "fifty-two million, five hundred thirty-one thousand, six hundred twelve".