55982128 has 20 divisors (see below), whose sum is σ = 108876960. Its totient is φ = 27884864.

The previous prime is 55982119. The next prime is 55982141. The reversal of 55982128 is 82128955.

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 3 ways as a sum of consecutive naturals, for example, 2200 + ... + 10807.

It is an arithmetic number, because the mean of its divisors is an integer number (5443848).

Almost surely, 2^55982128 is an apocalyptic number.

It is an amenable number.

55982128 is a deficient number, since it is larger than the sum of its proper divisors (52894832).

55982128 is a wasteful number, since it uses less digits than its factorization.

55982128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13284 (or 13278 counting only the distinct ones).

The product of its digits is 57600, while the sum is 40.

The square root of 55982128 is about 7482.1205550298. The cubic root of 55982128 is about 382.5455323358.

The spelling of 55982128 in words is "fifty-five million, nine hundred eighty-two thousand, one hundred twenty-eight".