5518279520 has 48 divisors (see below), whose sum is σ = 14039781840. Its totient is φ = 2037517824.

The previous prime is 5518279513. The next prime is 5518279553. The reversal of 5518279520 is 259728155.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1324430 + ... + 1328589.

It is an arithmetic number, because the mean of its divisors is an integer number (292495455).

Almost surely, 2^5518279520 is an apocalyptic number.

It is an amenable number.

5518279520 is an abundant number, since it is smaller than the sum of its proper divisors (8521502320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5518279520 is a wasteful number, since it uses less digits than its factorization.

5518279520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653047 (or 2653039 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 44.

The square root of 5518279520 is about 74285.1231405051. The cubic root of 5518279520 is about 1767.1275528682.

The spelling of 5518279520 in words is "five billion, five hundred eighteen million, two hundred seventy-nine thousand, five hundred twenty".