52264140 has 48 divisors (see below), whose sum is σ = 151065600. Its totient is φ = 13487040.

The previous prime is 52264133. The next prime is 52264189. The reversal of 52264140 is 4146225.

It is a self number, because there is not a number n which added to its sum of digits gives 52264140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12190 + ... + 15909.

It is an arithmetic number, because the mean of its divisors is an integer number (3147200).

Almost surely, 2^52264140 is an apocalyptic number.

It is an amenable number.

52264140 is an abundant number, since it is smaller than the sum of its proper divisors (98801460).

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

52264140 is a wasteful number, since it uses less digits than its factorization.

52264140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28142 (or 28140 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 52264140 is about 7229.3941654886. The cubic root of 52264140 is about 373.8820393046.

The spelling of 52264140 in words is "fifty-two million, two hundred sixty-four thousand, one hundred forty".