52786432 has 18 divisors (see below), whose sum is σ = 105367178. Its totient is φ = 26393088.

The previous prime is 52786421. The next prime is 52786453. The reversal of 52786432 is 23468725.

It can be written as a sum of positive squares in only one way, i.e., 52765696 + 20736 = 7264^2 + 144^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52786391 and 52786400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102843 + ... + 103354.

Almost surely, 2^52786432 is an apocalyptic number.

It is an amenable number.

52786432 is a deficient number, since it is larger than the sum of its proper divisors (52580746).

52786432 is an equidigital number, since it uses as much as digits as its factorization.

52786432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206213 (or 206199 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 52786432 is about 7265.4271725756. The cubic root of 52786432 is about 375.1233537895.

The spelling of 52786432 in words is "fifty-two million, seven hundred eighty-six thousand, four hundred thirty-two".