5556405531 has 4 divisors (see below), whose sum is σ = 7408540712. Its totient is φ = 3704270352.

The previous prime is 5556405529. The next prime is 5556405577. The reversal of 5556405531 is 1355046555.

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

It is not a de Polignac number, because 5556405531 - 2¹ = 5556405529 is a prime.

It is a super-2 number, since 2×5556405531² = 61747284849854783922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5556405531.

It is not an unprimeable number, because it can be changed into a prime (5556405331) 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 3 ways as a sum of consecutive naturals, for example, 926067586 + ... + 926067591.

It is an arithmetic number, because the mean of its divisors is an integer number (1852135178).

Almost surely, 2^5556405531 is an apocalyptic number.

5556405531 is a deficient number, since it is larger than the sum of its proper divisors (1852135181).

5556405531 is a wasteful number, since it uses less digits than its factorization.

5556405531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852135180.

The product of its (nonzero) digits is 225000, while the sum is 39.

The square root of 5556405531 is about 74541.3008405407. The cubic root of 5556405531 is about 1771.1879340673.

The spelling of 5556405531 in words is "five billion, five hundred fifty-six million, four hundred five thousand, five hundred thirty-one".