52399032 has 96 divisors (see below), whose sum is σ = 161410320. Its totient is φ = 14085120.

The previous prime is 52399013. The next prime is 52399051. The reversal of 52399032 is 23099325.

It is an interprime number because it is at equal distance from previous prime (52399013) and next prime (52399051).

It is a junction number, because it is equal to n+sod(n) for n = 52398984 and 52399002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18682 + ... + 21302.

Almost surely, 2^52399032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52399032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80705160).

52399032 is an abundant number, since it is smaller than the sum of its proper divisors (109011288).

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

52399032 is a wasteful number, since it uses less digits than its factorization.

52399032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661 (or 2650 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 52399032 is about 7238.7175659781. The cubic root of 52399032 is about 374.2034219896.

The spelling of 52399032 in words is "fifty-two million, three hundred ninety-nine thousand, thirty-two".