55104406272 has 324 divisors, whose sum is σ = 168764033256. Its totient is φ = 17932492800.

The previous prime is 55104406207. The next prime is 55104406429. The reversal of 55104406272 is 27260440155.

It is a happy number.

55104406272 is a `hidden beast` number, since 551 + 0 + 4 + 40 + 62 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (324).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 137417272 + ... + 137417672.

Almost surely, 2^55104406272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55104406272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84382016628).

55104406272 is an abundant number, since it is smaller than the sum of its proper divisors (113659626984).

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

55104406272 is an frugal number, since it uses more digits than its factorization.

55104406272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 55104406272 in words is "fifty-five billion, one hundred four million, four hundred six thousand, two hundred seventy-two".