55053903456 has 144 divisors (see below), whose sum is σ = 165405240000. Its totient is φ = 17341384704.

The previous prime is 55053903449. The next prime is 55053903479. The reversal of 55053903456 is 65430935055.

55053903456 is a `hidden beast` number, since 5 + 505 + 3 + 90 + 3 + 4 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322420 + ... + 462668.

It is an arithmetic number, because the mean of its divisors is an integer number (1148647500).

Almost surely, 2^55053903456 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 55053903456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82702620000).

55053903456 is an abundant number, since it is smaller than the sum of its proper divisors (110351336544).

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

55053903456 is a wasteful number, since it uses less digits than its factorization.

55053903456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140341 (or 140330 counting only the distinct ones).

The product of its (nonzero) digits is 1215000, while the sum is 45.

The spelling of 55053903456 in words is "fifty-five billion, fifty-three million, nine hundred three thousand, four hundred fifty-six".