52513432 has 32 divisors (see below), whose sum is σ = 102286800. Its totient is φ = 25244800.

The previous prime is 52513423. The next prime is 52513441. The reversal of 52513432 is 23431525.

It is an interprime number because it is at equal distance from previous prime (52513423) and next prime (52513441).

It is a junction number, because it is equal to n+sod(n) for n = 52513397 and 52513406.

It is a congruent number.

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, 106707 + ... + 107197.

Almost surely, 2^52513432 is an apocalyptic number.

It is an amenable number.

52513432 is a deficient number, since it is larger than the sum of its proper divisors (49773368).

52513432 is a wasteful number, since it uses less digits than its factorization.

52513432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 983 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 52513432 is about 7246.6152098756. The cubic root of 52513432 is about 374.4755501408.

Adding to 52513432 its reverse (23431525), we get a palindrome (75944957).

The spelling of 52513432 in words is "fifty-two million, five hundred thirteen thousand, four hundred thirty-two".