558496945 has 4 divisors (see below), whose sum is σ = 670196340. Its totient is φ = 446797552.

The previous prime is 558496919. The next prime is 558496949. The reversal of 558496945 is 549694855.

558496945 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.

It can be written as a sum of positive squares in 2 ways, for example, as 142826401 + 415670544 = 11951^2 + 20388^2 .

It is a cyclic number.

It is not a de Polignac number, because 558496945 - 2²¹ = 556399793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (558496949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55849690 + ... + 55849699.

It is an arithmetic number, because the mean of its divisors is an integer number (167549085).

Almost surely, 2^558496945 is an apocalyptic number.

It is an amenable number.

558496945 is a deficient number, since it is larger than the sum of its proper divisors (111699395).

558496945 is a wasteful number, since it uses less digits than its factorization.

558496945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111699394.

The product of its digits is 7776000, while the sum is 55.

The square root of 558496945 is about 23632.5399608252. The cubic root of 558496945 is about 823.5189565284.

It can be divided in two parts, 558 and 496945, that added together give a triangular number (497503 = T₉₉₇).

The spelling of 558496945 in words is "five hundred fifty-eight million, four hundred ninety-six thousand, nine hundred forty-five".