551135465 has 16 divisors (see below), whose sum is σ = 668919168. Its totient is φ = 435891456.

The previous prime is 551135449. The next prime is 551135467. The reversal of 551135465 is 564531155.

It is a cyclic number.

It is not a de Polignac number, because 551135465 - 2⁴ = 551135449 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 274154 + ... + 276156.

It is an arithmetic number, because the mean of its divisors is an integer number (41807448).

Almost surely, 2^551135465 is an apocalyptic number.

It is an amenable number.

551135465 is a deficient number, since it is larger than the sum of its proper divisors (117783703).

551135465 is a wasteful number, since it uses less digits than its factorization.

551135465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608.

The product of its digits is 45000, while the sum is 35.

The square root of 551135465 is about 23476.2745127927. The cubic root of 551135465 is about 819.8847076653.

The spelling of 551135465 in words is "five hundred fifty-one million, one hundred thirty-five thousand, four hundred sixty-five".