551230266 has 16 divisors (see below), whose sum is σ = 1104326784. Its totient is φ = 183432384.

The previous prime is 551230249. The next prime is 551230271. The reversal of 551230266 is 662032155.

551230266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73906 + ... + 81021.

It is an arithmetic number, because the mean of its divisors is an integer number (69020424).

Almost surely, 2^551230266 is an apocalyptic number.

551230266 is an abundant number, since it is smaller than the sum of its proper divisors (553096518).

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

551230266 is a wasteful number, since it uses less digits than its factorization.

551230266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155525.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 551230266 is about 23478.2935069821. The cubic root of 551230266 is about 819.9317145199.

It can be divided in two parts, 5512 and 30266, that added together give a triangular number (35778 = T₂₆₇).

The spelling of 551230266 in words is "five hundred fifty-one million, two hundred thirty thousand, two hundred sixty-six".