55232000250 has 128 divisors (see below), whose sum is σ = 157703749632. Its totient is φ = 12612398400.

The previous prime is 55232000221. The next prime is 55232000251. The reversal of 55232000250 is 5200023255.

It is a self number, because there is not a number n which added to its sum of digits gives 55232000250.

It is not an unprimeable number, because it can be changed into a prime (55232000251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6227319 + ... + 6236181.

It is an arithmetic number, because the mean of its divisors is an integer number (1232060544).

Almost surely, 2^55232000250 is an apocalyptic number.

55232000250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55232000250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78851874816).

55232000250 is an abundant number, since it is smaller than the sum of its proper divisors (102471749382).

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

55232000250 is a wasteful number, since it uses less digits than its factorization.

55232000250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10077 (or 10067 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The spelling of 55232000250 in words is "fifty-five billion, two hundred thirty-two million, two hundred fifty", and thus it is an aban number.