52012388 has 12 divisors (see below), whose sum is σ = 91531440. Its totient is φ = 25860552.

The previous prime is 52012381. The next prime is 52012397. The reversal of 52012388 is 88321025.

It is a self number, because there is not a number n which added to its sum of digits gives 52012388.

It is not an unprimeable number, because it can be changed into a prime (52012381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35606 + ... + 37037.

It is an arithmetic number, because the mean of its divisors is an integer number (7627620).

Almost surely, 2^52012388 is an apocalyptic number.

It is an amenable number.

52012388 is a deficient number, since it is larger than the sum of its proper divisors (39519052).

52012388 is a wasteful number, since it uses less digits than its factorization.

52012388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72826 (or 72824 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 52012388 is about 7211.9614530307. The cubic root of 52012388 is about 373.2807532951.

The spelling of 52012388 in words is "fifty-two million, twelve thousand, three hundred eighty-eight".