506010005591 has 4 divisors (see below), whose sum is σ = 506013184152. Its totient is φ = 506006827032.

The previous prime is 506010005477. The next prime is 506010005623. The reversal of 506010005591 is 195500010605.

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

It is a cyclic number.

It is not a de Polignac number, because 506010005591 - 2¹⁴ = 506009989207 is a prime.

It is a super-2 number, since 2×506010005591² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506010035591) 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, 1337156 + ... + 1673321.

It is an arithmetic number, because the mean of its divisors is an integer number (126503296038).

Almost surely, 2^506010005591 is an apocalyptic number.

506010005591 is a deficient number, since it is larger than the sum of its proper divisors (3178561).

506010005591 is a wasteful number, since it uses less digits than its factorization.

506010005591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178560.

The product of its (nonzero) digits is 6750, while the sum is 32.

The spelling of 506010005591 in words is "five hundred six billion, ten million, five thousand, five hundred ninety-one".