5515606523 has 16 divisors (see below), whose sum is σ = 6401903040. Its totient is φ = 4654358016.

The previous prime is 5515606451. The next prime is 5515606543. The reversal of 5515606523 is 3256065155.

5515606523 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5515606523 - 2¹⁴ = 5515590139 is a prime.

It is a super-3 number, since 3×5515606523³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5515606543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126161 + ... + 164157.

It is an arithmetic number, because the mean of its divisors is an integer number (400118940).

Almost surely, 2^5515606523 is an apocalyptic number.

5515606523 is a deficient number, since it is larger than the sum of its proper divisors (886296517).

5515606523 is a wasteful number, since it uses less digits than its factorization.

5515606523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38326.

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 5515606523 is about 74267.1294921246. The cubic root of 5515606523 is about 1766.8421807390.

The spelling of 5515606523 in words is "five billion, five hundred fifteen million, six hundred six thousand, five hundred twenty-three".