551055234560 has 160 divisors (see below), whose sum is σ = 1368550576800. Its totient is φ = 212548976640.

The previous prime is 551055234533. The next prime is 551055234601. The reversal of 551055234560 is 65432550155.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63767840 + ... + 63776480.

It is an arithmetic number, because the mean of its divisors is an integer number (8553441105).

Almost surely, 2^551055234560 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 551055234560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (684275288400).

551055234560 is an abundant number, since it is smaller than the sum of its proper divisors (817495342240).

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

551055234560 is an equidigital number, since it uses as much as digits as its factorization.

551055234560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9552 (or 9536 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 41.

The spelling of 551055234560 in words is "five hundred fifty-one billion, fifty-five million, two hundred thirty-four thousand, five hundred sixty".