52289736 has 16 divisors (see below), whose sum is σ = 130724400. Its totient is φ = 17429904.

The previous prime is 52289707. The next prime is 52289737. The reversal of 52289736 is 63798225.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (52289737) 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, 1089346 + ... + 1089393.

It is an arithmetic number, because the mean of its divisors is an integer number (8170275).

Almost surely, 2^52289736 is an apocalyptic number.

It is an amenable number.

52289736 is an abundant number, since it is smaller than the sum of its proper divisors (78434664).

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

52289736 is a wasteful number, since it uses less digits than its factorization.

52289736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178748 (or 2178744 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 52289736 is about 7231.1642216174. The cubic root of 52289736 is about 373.9430647218.

The spelling of 52289736 in words is "fifty-two million, two hundred eighty-nine thousand, seven hundred thirty-six".