5456990578 has 16 divisors (see below), whose sum is σ = 8823429720. Its totient is φ = 2516242176.

The previous prime is 5456990563. The next prime is 5456990587. The reversal of 5456990578 is 8750996545.

It can be written as a sum of positive squares in 4 ways, for example, as 4665299809 + 791690769 = 68303^2 + 28137^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70375 + ... + 125962.

Almost surely, 2^5456990578 is an apocalyptic number.

5456990578 is a deficient number, since it is larger than the sum of its proper divisors (3366439142).

5456990578 is a wasteful number, since it uses less digits than its factorization.

5456990578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197421.

The product of its (nonzero) digits is 13608000, while the sum is 58.

The square root of 5456990578 is about 73871.4462969286. The cubic root of 5456990578 is about 1760.5609629300.

The spelling of 5456990578 in words is "five billion, four hundred fifty-six million, nine hundred ninety thousand, five hundred seventy-eight".