551422260 has 144 divisors (see below), whose sum is σ = 1717934400. Its totient is φ = 143119872.

The previous prime is 551422241. The next prime is 551422273. The reversal of 551422260 is 62224155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1454751 + ... + 1455129.

It is an arithmetic number, because the mean of its divisors is an integer number (11930100).

Almost surely, 2^551422260 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 551422260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (858967200).

551422260 is an abundant number, since it is smaller than the sum of its proper divisors (1166512140).

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

551422260 is a wasteful number, since it uses less digits than its factorization.

551422260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 551422260 is about 23482.3819064421. The cubic root of 551422260 is about 820.0268977891.

The spelling of 551422260 in words is "five hundred fifty-one million, four hundred twenty-two thousand, two hundred sixty".