55172450055744 has 84 divisors (see below), whose sum is σ = 180733561604544. Its totient is φ = 15763557157632.

The previous prime is 55172450055743. The next prime is 55172450055763. The reversal of 55172450055744 is 44755005427155.

55172450055744 is a `hidden beast` number, since 5 + 5 + 1 + 7 + 2 + 45 + 0 + 0 + 557 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is a super-2 number, since 2×55172450055744² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55172450055743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6841817652 + ... + 6841825715.

Almost surely, 2^{55172450055744} is an apocalyptic number.

It is an amenable number.

55172450055744 is an abundant number, since it is smaller than the sum of its proper divisors (125561111548800).

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

55172450055744 is a wasteful number, since it uses less digits than its factorization.

55172450055744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13683643392 (or 13683643379 counting only the distinct ones).

The product of its (nonzero) digits is 19600000, while the sum is 54.

The spelling of 55172450055744 in words is "fifty-five trillion, one hundred seventy-two billion, four hundred fifty million, fifty-five thousand, seven hundred forty-four".