52499624 has 16 divisors (see below), whose sum is σ = 98870100. Its totient is φ = 26134272.

The previous prime is 52499617. The next prime is 52499651. The reversal of 52499624 is 42699425.

Added to its reverse (42699425) it gives a square (95199049 = 9757²).

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51984100 + 515524 = 7210^2 + 718^2 .

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, 12497 + ... + 16160.

Almost surely, 2^52499624 is an apocalyptic number.

It is an amenable number.

52499624 is a deficient number, since it is larger than the sum of its proper divisors (46370476).

52499624 is a wasteful number, since it uses less digits than its factorization.

52499624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28892 (or 28888 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 52499624 is about 7245.6624265832. The cubic root of 52499624 is about 374.4427254489.

Adding to 52499624 its reverse (42699425), we get a square (95199049 = 9757²).

The spelling of 52499624 in words is "fifty-two million, four hundred ninety-nine thousand, six hundred twenty-four".