52129432 has 16 divisors (see below), whose sum is σ = 98028000. Its totient is φ = 25988640.

The previous prime is 52129423. The next prime is 52129447. The reversal of 52129432 is 23492125.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 52129432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6544 + ... + 12127.

It is an arithmetic number, because the mean of its divisors is an integer number (6126750).

Almost surely, 2^52129432 is an apocalyptic number.

It is an amenable number.

52129432 is a deficient number, since it is larger than the sum of its proper divisors (45898568).

52129432 is a wasteful number, since it uses less digits than its factorization.

52129432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19026 (or 19022 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 52129432 is about 7220.0714677903. The cubic root of 52129432 is about 373.5605426739.

The spelling of 52129432 in words is "fifty-two million, one hundred twenty-nine thousand, four hundred thirty-two".