551480458 has 4 divisors (see below), whose sum is σ = 827220690. Its totient is φ = 275740228.

The previous prime is 551480431. The next prime is 551480473. The reversal of 551480458 is 854084155.

It is a happy number.

551480458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 854084155 = 5 ⋅170816831.

It can be written as a sum of positive squares in only one way, i.e., 543029809 + 8450649 = 23303^2 + 2907^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 551480458.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137870113 + ... + 137870116.

Almost surely, 2^551480458 is an apocalyptic number.

551480458 is a deficient number, since it is larger than the sum of its proper divisors (275740232).

551480458 is a wasteful number, since it uses less digits than its factorization.

551480458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275740231.

The product of its (nonzero) digits is 128000, while the sum is 40.

The square root of 551480458 is about 23483.6210580907. The cubic root of 551480458 is about 820.0557457640.

The spelling of 551480458 in words is "five hundred fifty-one million, four hundred eighty thousand, four hundred fifty-eight".