52215968 has 36 divisors (see below), whose sum is σ = 119587482. Its totient is φ = 22377600.

The previous prime is 52215949. The next prime is 52215983. The reversal of 52215968 is 86951225.

It can be written as a sum of positive squares in only one way, i.e., 41113744 + 11102224 = 6412^2 + 3332^2 .

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, 15083 + ... + 18218.

Almost surely, 2^52215968 is an apocalyptic number.

It is an amenable number.

52215968 is an abundant number, since it is smaller than the sum of its proper divisors (67371514).

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

52215968 is a wasteful number, since it uses less digits than its factorization.

52215968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33325 (or 33310 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 52215968 is about 7226.0617212974. The cubic root of 52215968 is about 373.7671346305.

The spelling of 52215968 in words is "fifty-two million, two hundred fifteen thousand, nine hundred sixty-eight".