55044455272 has 8 divisors (see below), whose sum is σ = 103208353650. Its totient is φ = 27522227632.

The previous prime is 55044455269. The next prime is 55044455293. The reversal of 55044455272 is 27255444055.

It can be written as a sum of positive squares in only one way, i.e., 43904497156 + 11139958116 = 209534^2 + 105546^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3440278447 + ... + 3440278462.

Almost surely, 2^55044455272 is an apocalyptic number.

It is an amenable number.

55044455272 is a deficient number, since it is larger than the sum of its proper divisors (48163898378).

55044455272 is a wasteful number, since it uses less digits than its factorization.

55044455272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6880556915 (or 6880556911 counting only the distinct ones).

The product of its (nonzero) digits is 1120000, while the sum is 43.

The spelling of 55044455272 in words is "fifty-five billion, forty-four million, four hundred fifty-five thousand, two hundred seventy-two".