5520171878 has 16 divisors (see below), whose sum is σ = 9386527920. Its totient is φ = 2413678176.

The previous prime is 5520171857. The next prime is 5520171887. The reversal of 5520171878 is 8781710255.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5586725 + ... + 5587712.

It is an arithmetic number, because the mean of its divisors is an integer number (586657995).

Almost surely, 2^5520171878 is an apocalyptic number.

5520171878 is a deficient number, since it is larger than the sum of its proper divisors (3866356042).

5520171878 is a wasteful number, since it uses less digits than its factorization.

5520171878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11174471.

The product of its (nonzero) digits is 156800, while the sum is 44.

The square root of 5520171878 is about 74297.8591750799. The cubic root of 5520171878 is about 1767.3295274010.

The spelling of 5520171878 in words is "five billion, five hundred twenty million, one hundred seventy-one thousand, eight hundred seventy-eight".