551550561244452 has 216 divisors, whose sum is σ = 1769502510790560. Its totient is φ = 143240216555520.

The previous prime is 551550561244451. The next prime is 551550561244453. The reversal of 551550561244452 is 254442165055155.

551550561244452 is a `hidden beast` number, since 5 + 5 + 1 + 5 + 5 + 0 + 561 + 24 + 4 + 4 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (551550561244451) and next prime (551550561244453).

It is not an unprimeable number, because it can be changed into a prime (551550561244451) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 139643299 + ... + 143538677.

It is an arithmetic number, because the mean of its divisors is an integer number (8192141253660).

Almost surely, 2^{551550561244452} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551550561244452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (884751255395280).

551550561244452 is an abundant number, since it is smaller than the sum of its proper divisors (1217951949546108).

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

551550561244452 is a wasteful number, since it uses less digits than its factorization.

551550561244452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902711 (or 3902699 counting only the distinct ones).

The product of its (nonzero) digits is 24000000, while the sum is 54.

The spelling of 551550561244452 in words is "five hundred fifty-one trillion, five hundred fifty billion, five hundred sixty-one million, two hundred forty-four thousand, four hundred fifty-two".