551460505 has 16 divisors (see below), whose sum is σ = 669706704. Its totient is φ = 435884800.

The previous prime is 551460499. The next prime is 551460521. The reversal of 551460505 is 505064155.

It can be written as a sum of positive squares in 8 ways, for example, as 196364169 + 355096336 = 14013^2 + 18844^2 .

It is not a de Polignac number, because 551460505 - 2¹⁷ = 551329433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341079 + ... + 342691.

It is an arithmetic number, because the mean of its divisors is an integer number (41856669).

Almost surely, 2^551460505 is an apocalyptic number.

It is an amenable number.

551460505 is a deficient number, since it is larger than the sum of its proper divisors (118246199).

551460505 is a wasteful number, since it uses less digits than its factorization.

551460505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 551460505 is about 23483.1962262380. The cubic root of 551460505 is about 820.0458555558.

The spelling of 551460505 in words is "five hundred fifty-one million, four hundred sixty thousand, five hundred five".