52445632 has 14 divisors (see below), whose sum is σ = 104071928. Its totient is φ = 26222784.

The previous prime is 52445623. The next prime is 52445633. The reversal of 52445632 is 23654425.

It is a junction number, because it is equal to n+sod(n) for n = 52445594 and 52445603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52445633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409668 + ... + 409795.

Almost surely, 2^52445632 is an apocalyptic number.

It is an amenable number.

52445632 is a deficient number, since it is larger than the sum of its proper divisors (51626296).

52445632 is an equidigital number, since it uses as much as digits as its factorization.

52445632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819475 (or 819465 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 52445632 is about 7241.9356528486. The cubic root of 52445632 is about 374.3143191571.

The spelling of 52445632 in words is "fifty-two million, four hundred forty-five thousand, six hundred thirty-two".