52699556 has 24 divisors (see below), whose sum is σ = 113507520. Its totient is φ = 20848032.

The previous prime is 52699523. The next prime is 52699561. The reversal of 52699556 is 65599625.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 52699556.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72026 + ... + 72753.

It is an arithmetic number, because the mean of its divisors is an integer number (4729480).

Almost surely, 2^52699556 is an apocalyptic number.

It is an amenable number.

52699556 is an abundant number, since it is smaller than the sum of its proper divisors (60807964).

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

52699556 is a wasteful number, since it uses less digits than its factorization.

52699556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144803 (or 144801 counting only the distinct ones).

The product of its digits is 729000, while the sum is 47.

The square root of 52699556 is about 7259.4459843710. The cubic root of 52699556 is about 374.9174479025.

The spelling of 52699556 in words is "fifty-two million, six hundred ninety-nine thousand, five hundred fifty-six".