52499412 has 72 divisors (see below), whose sum is σ = 152635392. Its totient is φ = 14904000.

The previous prime is 52499389. The next prime is 52499437. The reversal of 52499412 is 21499425.

52499412 is a `hidden beast` number, since 524 + 99 + 41 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 45037 + ... + 46187.

It is an arithmetic number, because the mean of its divisors is an integer number (2119936).

Almost surely, 2^52499412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52499412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76317696).

52499412 is an abundant number, since it is smaller than the sum of its proper divisors (100135980).

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

52499412 is a wasteful number, since it uses less digits than its factorization.

52499412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349 (or 1344 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 52499412 is about 7245.6477971262. The cubic root of 52499412 is about 374.4422214329.

The spelling of 52499412 in words is "fifty-two million, four hundred ninety-nine thousand, four hundred twelve".