55729932 has 12 divisors (see below), whose sum is σ = 130036536. Its totient is φ = 18576640.

The previous prime is 55729913. The next prime is 55729937. The reversal of 55729932 is 23992755.

55729932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (55729937) 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, 2322069 + ... + 2322092.

It is an arithmetic number, because the mean of its divisors is an integer number (10836378).

Almost surely, 2^55729932 is an apocalyptic number.

It is an amenable number.

55729932 is an abundant number, since it is smaller than the sum of its proper divisors (74306604).

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

55729932 is a wasteful number, since it uses less digits than its factorization.

55729932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4644168 (or 4644166 counting only the distinct ones).

The product of its digits is 170100, while the sum is 42.

The square root of 55729932 is about 7465.2482879004. The cubic root of 55729932 is about 381.9702196204.

The spelling of 55729932 in words is "fifty-five million, seven hundred twenty-nine thousand, nine hundred thirty-two".