52240866 has 48 divisors (see below), whose sum is σ = 110953920. Its totient is φ = 16394400.

The previous prime is 52240841. The next prime is 52240871. The reversal of 52240866 is 66804225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 345891 + ... + 346041.

It is an arithmetic number, because the mean of its divisors is an integer number (2311540).

Almost surely, 2^52240866 is an apocalyptic number.

52240866 is an abundant number, since it is smaller than the sum of its proper divisors (58713054).

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

52240866 is a wasteful number, since it uses less digits than its factorization.

52240866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 52240866 is about 7227.7843077945. The cubic root of 52240866 is about 373.8265326508.

The spelling of 52240866 in words is "fifty-two million, two hundred forty thousand, eight hundred sixty-six".