55044036 has 30 divisors (see below), whose sum is σ = 143896830. Its totient is φ = 18347904.

The previous prime is 55044029. The next prime is 55044047. The reversal of 55044036 is 63044055.

It can be written as a sum of positive squares in only one way, i.e., 37454400 + 17589636 = 6120^2 + 4194^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 84621 + ... + 85268.

It is an arithmetic number, because the mean of its divisors is an integer number (4796561).

Almost surely, 2^55044036 is an apocalyptic number.

It is an amenable number.

55044036 is an abundant number, since it is smaller than the sum of its proper divisors (88852794).

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

55044036 is a wasteful number, since it uses less digits than its factorization.

55044036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169905 (or 169894 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 55044036 is about 7419.1667995807. The cubic root of 55044036 is about 380.3967140398.

The spelling of 55044036 in words is "fifty-five million, forty-four thousand, thirty-six".