5566503506 has 4 divisors (see below), whose sum is σ = 8349755262. Its totient is φ = 2783251752.

The previous prime is 5566503433. The next prime is 5566503521. The reversal of 5566503506 is 6053056655.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5566502881 + 625 = 74609^2 + 25^2 .

It is a super-2 number, since 2×5566503506² = 61971922564620584072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1391625875 + ... + 1391625878.

Almost surely, 2^5566503506 is an apocalyptic number.

5566503506 is a deficient number, since it is larger than the sum of its proper divisors (2783251756).

5566503506 is a wasteful number, since it uses less digits than its factorization.

5566503506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783251755.

The product of its (nonzero) digits is 405000, while the sum is 41.

The square root of 5566503506 is about 74609.0041885026. The cubic root of 5566503506 is about 1772.2602452690.

The spelling of 5566503506 in words is "five billion, five hundred sixty-six million, five hundred three thousand, five hundred six".