52699968 has 42 divisors (see below), whose sum is σ = 151056594. Its totient is φ = 17566464.

The previous prime is 52699943. The next prime is 52699979. The reversal of 52699968 is 86999625.

It can be written as a sum of positive squares in only one way, i.e., 52533504 + 166464 = 7248^2 + 408^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45171 + ... + 46322.

Almost surely, 2^52699968 is an apocalyptic number.

It is an amenable number.

52699968 is an abundant number, since it is smaller than the sum of its proper divisors (98356626).

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

52699968 is a wasteful number, since it uses less digits than its factorization.

52699968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91511 (or 91498 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 52699968 is about 7259.4743611366. The cubic root of 52699968 is about 374.9184249226.

The spelling of 52699968 in words is "fifty-two million, six hundred ninety-nine thousand, nine hundred sixty-eight".