551135469 has 8 divisors (see below), whose sum is σ = 739528480. Its totient is φ = 365083056.

The previous prime is 551135467. The next prime is 551135477. The reversal of 551135469 is 964531155.

It is a happy number.

551135469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 551135469 - 2¹ = 551135467 is a prime.

It is a super-2 number, since 2×551135469² = 607500610379699922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551135467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584599 + ... + 585540.

It is an arithmetic number, because the mean of its divisors is an integer number (92441060).

Almost surely, 2^551135469 is an apocalyptic number.

It is an amenable number.

551135469 is a deficient number, since it is larger than the sum of its proper divisors (188393011).

551135469 is a wasteful number, since it uses less digits than its factorization.

551135469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170299.

The product of its digits is 81000, while the sum is 39.

The square root of 551135469 is about 23476.2745979851. The cubic root of 551135469 is about 819.8847096488.

The spelling of 551135469 in words is "five hundred fifty-one million, one hundred thirty-five thousand, four hundred sixty-nine".