55064444 has 12 divisors (see below), whose sum is σ = 96863424. Its totient is φ = 27389184.

The previous prime is 55064423. The next prime is 55064483. The reversal of 55064444 is 44446055.

It is a self number, because there is not a number n which added to its sum of digits gives 55064444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34892 + ... + 36435.

It is an arithmetic number, because the mean of its divisors is an integer number (8071952).

Almost surely, 2^55064444 is an apocalyptic number.

It is an amenable number.

55064444 is a deficient number, since it is larger than the sum of its proper divisors (41798980).

55064444 is a wasteful number, since it uses less digits than its factorization.

55064444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71524 (or 71522 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 55064444 is about 7420.5420287200. The cubic root of 55064444 is about 380.4437199009.

The spelling of 55064444 in words is "fifty-five million, sixty-four thousand, four hundred forty-four".