55281356 has 24 divisors (see below), whose sum is σ = 105510720. Its totient is φ = 25189632.

The previous prime is 55281341. The next prime is 55281361. The reversal of 55281356 is 65318255.

55281356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2621 + ... + 10836.

It is an arithmetic number, because the mean of its divisors is an integer number (4396280).

Almost surely, 2^55281356 is an apocalyptic number.

It is an amenable number.

55281356 is a deficient number, since it is larger than the sum of its proper divisors (50229364).

55281356 is a wasteful number, since it uses less digits than its factorization.

55281356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13553 (or 13551 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

The square root of 55281356 is about 7435.1433072941. The cubic root of 55281356 is about 380.9426182806.

The spelling of 55281356 in words is "fifty-five million, two hundred eighty-one thousand, three hundred fifty-six".