553218968250 has 384 divisors, whose sum is σ = 1727451048960. Its totient is φ = 126535219200.

The previous prime is 553218968221. The next prime is 553218968303. The reversal of 553218968250 is 52869812355.

It is a happy number.

553218968250 is a `hidden beast` number, since 5 + 5 + 321 + 8 + 9 + 68 + 250 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 39275709 + ... + 39289791.

It is an arithmetic number, because the mean of its divisors is an integer number (4498570440).

Almost surely, 2^553218968250 is an apocalyptic number.

553218968250 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 553218968250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863725524480).

553218968250 is an abundant number, since it is smaller than the sum of its proper divisors (1174232080710).

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

553218968250 is a wasteful number, since it uses less digits than its factorization.

553218968250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14215 (or 14202 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 54.

The spelling of 553218968250 in words is "five hundred fifty-three billion, two hundred eighteen million, nine hundred sixty-eight thousand, two hundred fifty".