551261469 has 16 divisors (see below), whose sum is σ = 803105280. Its totient is φ = 333568560.

The previous prime is 551261429. The next prime is 551261479. The reversal of 551261469 is 964162155.

551261469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 551261469 - 2¹² = 551257373 is a prime.

It is a super-2 number, since 2×551261469² = 607778414408075922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551261429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8442 + ... + 34260.

It is an arithmetic number, because the mean of its divisors is an integer number (50194080).

Almost surely, 2^551261469 is an apocalyptic number.

It is an amenable number.

551261469 is a deficient number, since it is larger than the sum of its proper divisors (251843811).

551261469 is a wasteful number, since it uses less digits than its factorization.

551261469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26480.

The product of its digits is 64800, while the sum is 39.

The square root of 551261469 is about 23478.9580049882. The cubic root of 551261469 is about 819.9471852757.

The spelling of 551261469 in words is "five hundred fifty-one million, two hundred sixty-one thousand, four hundred sixty-nine".