55258518336 has 224 divisors, whose sum is σ = 171056198400. Its totient is φ = 15736799232.

The previous prime is 55258518251. The next prime is 55258518383. The reversal of 55258518336 is 63381585255.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23245980 + ... + 23248356.

Almost surely, 2^55258518336 is an apocalyptic number.

55258518336 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55258518336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85528099200).

55258518336 is an abundant number, since it is smaller than the sum of its proper divisors (115797680064).

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

55258518336 is a wasteful number, since it uses less digits than its factorization.

55258518336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766 (or 2742 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 51.

The spelling of 55258518336 in words is "fifty-five billion, two hundred fifty-eight million, five hundred eighteen thousand, three hundred thirty-six".