5538517723 has 4 divisors (see below), whose sum is σ = 5545264608. Its totient is φ = 5531770840.

The previous prime is 5538517717. The next prime is 5538517739. The reversal of 5538517723 is 3277158355.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5538517723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5538517123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3372211 + ... + 3373852.

It is an arithmetic number, because the mean of its divisors is an integer number (1386316152).

Almost surely, 2^5538517723 is an apocalyptic number.

5538517723 is a deficient number, since it is larger than the sum of its proper divisors (6746885).

5538517723 is an equidigital number, since it uses as much as digits as its factorization.

5538517723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6746884.

The product of its digits is 882000, while the sum is 46.

The square root of 5538517723 is about 74421.2182310932. The cubic root of 5538517723 is about 1769.2852214074.

The spelling of 5538517723 in words is "five billion, five hundred thirty-eight million, five hundred seventeen thousand, seven hundred twenty-three".