551423466 has 48 divisors (see below), whose sum is σ = 1316847168. Its totient is φ = 165369600.

The previous prime is 551423423. The next prime is 551423471. The reversal of 551423466 is 664324155.

551423466 is a `hidden beast` number, since 55 + 142 + 3 + 466 = 666.

551423466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 551423466.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4851 + ... + 33561.

It is an arithmetic number, because the mean of its divisors is an integer number (27434316).

Almost surely, 2^551423466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551423466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658423584).

551423466 is an abundant number, since it is smaller than the sum of its proper divisors (765423702).

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

551423466 is a wasteful number, since it uses less digits than its factorization.

551423466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28827 (or 28824 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 551423466 is about 23482.4075852541. The cubic root of 551423466 is about 820.0274956079.

The spelling of 551423466 in words is "five hundred fifty-one million, four hundred twenty-three thousand, four hundred sixty-six".