52387752 has 32 divisors (see below), whose sum is σ = 133192800. Its totient is φ = 17166144.

The previous prime is 52387747. The next prime is 52387763. The reversal of 52387752 is 25778325.

It is a super-2 number, since 2×52387752² = 5488953119227008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52387752.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17083 + ... + 19914.

It is an arithmetic number, because the mean of its divisors is an integer number (4162275).

Almost surely, 2^52387752 is an apocalyptic number.

It is an amenable number.

52387752 is an abundant number, since it is smaller than the sum of its proper divisors (80805048).

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

52387752 is a wasteful number, since it uses less digits than its factorization.

52387752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37065 (or 37061 counting only the distinct ones).

The product of its digits is 117600, while the sum is 39.

The square root of 52387752 is about 7237.9383805059. The cubic root of 52387752 is about 374.1765683286.

The spelling of 52387752 in words is "fifty-two million, three hundred eighty-seven thousand, seven hundred fifty-two".