55251882000 has 960 divisors, whose sum is σ = 232360128000. Its totient is φ = 12429158400.

The previous prime is 55251881987. The next prime is 55251882041. The reversal of 55251882000 is 28815255.

55251882000 is a `hidden beast` number, since 552 + 5 + 1 + 88 + 20 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 370817926 + ... + 370818074.

It is an arithmetic number, because the mean of its divisors is an integer number (242041800).

Almost surely, 2^55251882000 is an apocalyptic number.

55251882000 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 55251882000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116180064000).

55251882000 is an abundant number, since it is smaller than the sum of its proper divisors (177108246000).

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

55251882000 is a wasteful number, since it uses less digits than its factorization.

55251882000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The spelling of 55251882000 in words is "fifty-five billion, two hundred fifty-one million, eight hundred eighty-two thousand".