5515445023 has 4 divisors (see below), whose sum is σ = 6016849128. Its totient is φ = 5014040920.

The previous prime is 5515444999. The next prime is 5515445059. The reversal of 5515445023 is 3205445155.

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 5515445023 - 2²⁵ = 5481890591 is a prime.

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 5515445023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515445093) 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, 250702036 + ... + 250702057.

It is an arithmetic number, because the mean of its divisors is an integer number (1504212282).

Almost surely, 2^5515445023 is an apocalyptic number.

5515445023 is a deficient number, since it is larger than the sum of its proper divisors (501404105).

5515445023 is a wasteful number, since it uses less digits than its factorization.

5515445023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501404104.

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 5515445023 is about 74266.0421929161. The cubic root of 5515445023 is about 1766.8249358663.

The spelling of 5515445023 in words is "five billion, five hundred fifteen million, four hundred forty-five thousand, twenty-three".