551350226250 has 240 divisors, whose sum is σ = 1626425877120. Its totient is φ = 138375648000.

The previous prime is 551350226237. The next prime is 551350226257. The reversal of 551350226250 is 52622053155.

551350226250 is a `hidden beast` number, since 5 + 5 + 1 + 3 + 5 + 0 + 22 + 625 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (551350226257) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 9725487 + ... + 9782013.

It is an arithmetic number, because the mean of its divisors is an integer number (6776774488).

Almost surely, 2^551350226250 is an apocalyptic number.

551350226250 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 551350226250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (813212938560).

551350226250 is an abundant number, since it is smaller than the sum of its proper divisors (1075075650870).

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

551350226250 is a wasteful number, since it uses less digits than its factorization.

551350226250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56592 (or 56554 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 551350226250 in words is "five hundred fifty-one billion, three hundred fifty million, two hundred twenty-six thousand, two hundred fifty".