52317432 has 48 divisors (see below), whose sum is σ = 150031440. Its totient is φ = 16412928.

The previous prime is 52317427. The next prime is 52317451. The reversal of 52317432 is 23471325.

It is a super-2 number, since 2×52317432² = 5474227382149248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52317396 and 52317405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20148 + ... + 22595.

It is an arithmetic number, because the mean of its divisors is an integer number (3125655).

Almost surely, 2^52317432 is an apocalyptic number.

It is an amenable number.

52317432 is an abundant number, since it is smaller than the sum of its proper divisors (97714008).

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

52317432 is a wasteful number, since it uses less digits than its factorization.

52317432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42772 (or 42765 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 52317432 is about 7233.0790124262. The cubic root of 52317432 is about 374.0090744841.

Adding to 52317432 its reverse (23471325), we get a palindrome (75788757).

It can be divided in two parts, 523 and 17432, that added together give a triangular number (17955 = T₁₈₉).

The spelling of 52317432 in words is "fifty-two million, three hundred seventeen thousand, four hundred thirty-two".