5515542323 has 4 divisors (see below), whose sum is σ = 5520253608. Its totient is φ = 5510831040.

The previous prime is 5515542313. The next prime is 5515542353. The reversal of 5515542323 is 3232455155.

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 5515542323 - 2⁶ = 5515542259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5515542313) 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, 2353886 + ... + 2356227.

It is an arithmetic number, because the mean of its divisors is an integer number (1380063402).

Almost surely, 2^5515542323 is an apocalyptic number.

5515542323 is a deficient number, since it is larger than the sum of its proper divisors (4711285).

5515542323 is a wasteful number, since it uses less digits than its factorization.

5515542323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711284.

The product of its digits is 90000, while the sum is 35.

The square root of 5515542323 is about 74266.6972673486. The cubic root of 5515542323 is about 1766.8353255420.

Adding to 5515542323 its reverse (3232455155), we get a palindrome (8747997478).

The spelling of 5515542323 in words is "five billion, five hundred fifteen million, five hundred forty-two thousand, three hundred twenty-three".