52331432 has 8 divisors (see below), whose sum is σ = 98121450. Its totient is φ = 26165712.

The previous prime is 52331393. The next prime is 52331443. The reversal of 52331432 is 23413325.

It can be written as a sum of positive squares in only one way, i.e., 52330756 + 676 = 7234^2 + 26^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 52331398 and 52331407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3270707 + ... + 3270722.

Almost surely, 2^52331432 is an apocalyptic number.

It is an amenable number.

52331432 is a deficient number, since it is larger than the sum of its proper divisors (45790018).

52331432 is a wasteful number, since it uses less digits than its factorization.

52331432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6541435 (or 6541431 counting only the distinct ones).

The product of its digits is 2160, while the sum is 23.

The square root of 52331432 is about 7234.0467236534. The cubic root of 52331432 is about 374.0424327731.

Adding to 52331432 its reverse (23413325), we get a palindrome (75744757).

The spelling of 52331432 in words is "fifty-two million, three hundred thirty-one thousand, four hundred thirty-two".