55322732 has 24 divisors (see below), whose sum is σ = 98313600. Its totient is φ = 27236736.

The previous prime is 55322731. The next prime is 55322759. The reversal of 55322732 is 23722355.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55322695 and 55322704.

It is not an unprimeable number, because it can be changed into a prime (55322731) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 96944 + ... + 97512.

It is an arithmetic number, because the mean of its divisors is an integer number (4096400).

Almost surely, 2^55322732 is an apocalyptic number.

It is an amenable number.

55322732 is a deficient number, since it is larger than the sum of its proper divisors (42990868).

55322732 is a wasteful number, since it uses less digits than its factorization.

55322732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905 (or 903 counting only the distinct ones).

The product of its digits is 12600, while the sum is 29.

The square root of 55322732 is about 7437.9252483471. The cubic root of 55322732 is about 381.0376349502.

The spelling of 55322732 in words is "fifty-five million, three hundred twenty-two thousand, seven hundred thirty-two".