5506909943 has 4 divisors (see below), whose sum is σ = 5830845840. Its totient is φ = 5182974048.

The previous prime is 5506909927. The next prime is 5506909997. The reversal of 5506909943 is 3499096055.

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 5506909943 - 2⁴ = 5506909927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5506909891 and 5506909900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5506909543) 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, 161967923 + ... + 161967956.

It is an arithmetic number, because the mean of its divisors is an integer number (1457711460).

Almost surely, 2^5506909943 is an apocalyptic number.

5506909943 is a deficient number, since it is larger than the sum of its proper divisors (323935897).

5506909943 is a wasteful number, since it uses less digits than its factorization.

5506909943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323935896.

The product of its (nonzero) digits is 1312200, while the sum is 50.

The square root of 5506909943 is about 74208.5570739655. The cubic root of 5506909943 is about 1765.9130857495.

The spelling of 5506909943 in words is "five billion, five hundred six million, nine hundred nine thousand, nine hundred forty-three".