52657432 has 16 divisors (see below), whose sum is σ = 104540760. Its totient is φ = 24779904.

The previous prime is 52657427. The next prime is 52657439. The reversal of 52657432 is 23475625.

52657432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52657439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193458 + ... + 193729.

Almost surely, 2^52657432 is an apocalyptic number.

It is an amenable number.

52657432 is a deficient number, since it is larger than the sum of its proper divisors (51883328).

52657432 is a wasteful number, since it uses less digits than its factorization.

52657432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387210 (or 387206 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The square root of 52657432 is about 7256.5440810347. The cubic root of 52657432 is about 374.8175278174.

The spelling of 52657432 in words is "fifty-two million, six hundred fifty-seven thousand, four hundred thirty-two".