52638699 has 16 divisors (see below), whose sum is σ = 72267552. Its totient is φ = 34065408.

The previous prime is 52638689. The next prime is 52638737. The reversal of 52638699 is 99683625.

It is a de Polignac number, because none of the positive numbers 2^k-52638699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52638689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13717 + ... + 17129.

It is an arithmetic number, because the mean of its divisors is an integer number (4516722).

Almost surely, 2^52638699 is an apocalyptic number.

52638699 is a deficient number, since it is larger than the sum of its proper divisors (19628853).

52638699 is a wasteful number, since it uses less digits than its factorization.

52638699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3566.

The product of its digits is 699840, while the sum is 48.

The square root of 52638699 is about 7255.2532002681. The cubic root of 52638699 is about 374.7730751524.

The spelling of 52638699 in words is "fifty-two million, six hundred thirty-eight thousand, six hundred ninety-nine".