551055060 has 144 divisors (see below), whose sum is σ = 1736441616. Its totient is φ = 141336576.

The previous prime is 551055041. The next prime is 551055061. The reversal of 551055060 is 60550155.

551055060 is a `hidden beast` number, since 5 + 51 + 0 + 550 + 60 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 10771524 + 540283536 = 3282^2 + 23244^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551055061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 645594 + ... + 646446.

Almost surely, 2^551055060 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 551055060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (868220808).

551055060 is an abundant number, since it is smaller than the sum of its proper divisors (1185386556).

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

551055060 is a wasteful number, since it uses less digits than its factorization.

551055060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 551055060 is about 23474.5619767441. The cubic root of 551055060 is about 819.8448348087.

The spelling of 551055060 in words is "five hundred fifty-one million, fifty-five thousand, sixty".