52909632 has 112 divisors (see below), whose sum is σ = 158211520. Its totient is φ = 17335296.

The previous prime is 52909613. The next prime is 52909657. The reversal of 52909632 is 23690925.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115548 + ... + 116004.

Almost surely, 2^52909632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52909632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79105760).

52909632 is an abundant number, since it is smaller than the sum of its proper divisors (105301888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52909632 is a wasteful number, since it uses less digits than its factorization.

52909632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 52909632 is about 7273.9007416929. The cubic root of 52909632 is about 375.4149646422.

The spelling of 52909632 in words is "fifty-two million, nine hundred nine thousand, six hundred thirty-two".