52318392 has 32 divisors (see below), whose sum is σ = 149481600. Its totient is φ = 14948064.

The previous prime is 52318391. The next prime is 52318417. The reversal of 52318392 is 29381325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52318391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155542 + ... + 155877.

It is an arithmetic number, because the mean of its divisors is an integer number (4671300).

Almost surely, 2^52318392 is an apocalyptic number.

It is an amenable number.

52318392 is an abundant number, since it is smaller than the sum of its proper divisors (97163208).

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

52318392 is a wasteful number, since it uses less digits than its factorization.

52318392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311435 (or 311431 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 52318392 is about 7233.1453739020. The cubic root of 52318392 is about 374.0113620996.

It can be divided in two parts, 523 and 18392, that added together give a triangular number (18915 = T₁₉₄).

The spelling of 52318392 in words is "fifty-two million, three hundred eighteen thousand, three hundred ninety-two".