551252272896 has 864 divisors, whose sum is σ = 1902856632768. Its totient is φ = 157659955200.

The previous prime is 551252272859. The next prime is 551252272897. The reversal of 551252272896 is 698272252155.

551252272896 is a `hidden beast` number, since 5 + 5 + 1 + 2 + 522 + 7 + 28 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551252272897) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1388544570 + ... + 1388544966.

It is an arithmetic number, because the mean of its divisors is an integer number (2202380362).

Almost surely, 2^551252272896 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 551252272896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (951428316384).

551252272896 is an abundant number, since it is smaller than the sum of its proper divisors (1351604359872).

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

551252272896 is a wasteful number, since it uses less digits than its factorization.

551252272896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559 (or 533 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 54.

The spelling of 551252272896 in words is "five hundred fifty-one billion, two hundred fifty-two million, two hundred seventy-two thousand, eight hundred ninety-six".