5515976225 has 18 divisors (see below), whose sum is σ = 6864836850. Its totient is φ = 4396672000.

The previous prime is 5515976209. The next prime is 5515976261. The reversal of 5515976225 is 5226795155.

It can be written as a sum of positive squares in 9 ways, for example, as 29463184 + 5486513041 = 5428^2 + 74071^2 .

It is not a de Polignac number, because 5515976225 - 2⁴ = 5515976209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5515976225.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7868375 + ... + 7869075.

It is an arithmetic number, because the mean of its divisors is an integer number (381379825).

Almost surely, 2^5515976225 is an apocalyptic number.

It is an amenable number.

5515976225 is a deficient number, since it is larger than the sum of its proper divisors (1348860625).

5515976225 is an frugal number, since it uses more digits than its factorization.

5515976225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861 (or 1155 counting only the distinct ones).

The product of its digits is 945000, while the sum is 47.

The square root of 5515976225 is about 74269.6184519619. The cubic root of 5515976225 is about 1766.8816560286.

The spelling of 5515976225 in words is "five billion, five hundred fifteen million, nine hundred seventy-six thousand, two hundred twenty-five".