5021565506 has 16 divisors (see below), whose sum is σ = 7658369208. Its totient is φ = 2468803200.

The previous prime is 5021565469. The next prime is 5021565509. The reversal of 5021565506 is 6055651205.

It can be written as a sum of positive squares in 4 ways, for example, as 4198392025 + 823173481 = 64795^2 + 28691^2 .

It is a super-2 number, since 2×5021565506² = 50432240262098072072, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5021565509) by changing a digit.

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, 543566 + ... + 552726.

Almost surely, 2^5021565506 is an apocalyptic number.

5021565506 is a deficient number, since it is larger than the sum of its proper divisors (2636803702).

5021565506 is a wasteful number, since it uses less digits than its factorization.

5021565506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13717.

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 5021565506 is about 70863.0052001748. The cubic root of 5021565506 is about 1712.4308537339.

The spelling of 5021565506 in words is "five billion, twenty-one million, five hundred sixty-five thousand, five hundred six".