55455050500 has 96 divisors (see below), whose sum is σ = 122785528320. Its totient is φ = 21877721600.

The previous prime is 55455050489. The next prime is 55455050531. The reversal of 55455050500 is 505055455.

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, 12784332 + ... + 12788668.

It is an arithmetic number, because the mean of its divisors is an integer number (1279015920).

Almost surely, 2^55455050500 is an apocalyptic number.

55455050500 is a gapful number since it is divisible by the number (50) 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 55455050500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61392764160).

55455050500 is an abundant number, since it is smaller than the sum of its proper divisors (67330477820).

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

55455050500 is a wasteful number, since it uses less digits than its factorization.

55455050500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4702 (or 4690 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 34.

The spelling of 55455050500 in words is "fifty-five billion, four hundred fifty-five million, fifty thousand, five hundred".