55005205550808 has 128 divisors (see below), whose sum is σ = 141567269860800. Its totient is φ = 17809636101120.

The previous prime is 55005205550741. The next prime is 55005205550819. The reversal of 55005205550808 is 80805550250055.

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, 378717210 + ... + 378862422.

Almost surely, 2^{55005205550808} 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 55005205550808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70783634930400).

55005205550808 is an abundant number, since it is smaller than the sum of its proper divisors (86562064309992).

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

55005205550808 is a wasteful number, since it uses less digits than its factorization.

55005205550808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145574 (or 145488 counting only the distinct ones).

The product of its (nonzero) digits is 2000000, while the sum is 48.

The spelling of 55005205550808 in words is "fifty-five trillion, five billion, two hundred five million, five hundred fifty thousand, eight hundred eight".