55205229430848 has 448 divisors, whose sum is σ = 174851641737216. Its totient is φ = 15039682560000.

The previous prime is 55205229430831. The next prime is 55205229430859. The reversal of 55205229430848 is 84803492250255.

It is a tau number, because it is divible by the number of its divisors (448).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5623426836 + ... + 5623436652.

Almost surely, 2^{55205229430848} 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 55205229430848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87425820868608).

55205229430848 is an abundant number, since it is smaller than the sum of its proper divisors (119646412306368).

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

55205229430848 is a wasteful number, since it uses less digits than its factorization.

55205229430848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11842 (or 11832 counting only the distinct ones).

The product of its (nonzero) digits is 27648000, while the sum is 57.

The spelling of 55205229430848 in words is "fifty-five trillion, two hundred five billion, two hundred twenty-nine million, four hundred thirty thousand, eight hundred forty-eight".