5515252225 has 48 divisors (see below), whose sum is σ = 8170548480. Its totient is φ = 3610886400.

The previous prime is 5515252213. The next prime is 5515252243. The reversal of 5515252225 is 5222525155.

It is not a de Polignac number, because 5515252225 - 2²¹ = 5513155073 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3303691 + ... + 3305359.

It is an arithmetic number, because the mean of its divisors is an integer number (170219760).

Almost surely, 2^5515252225 is an apocalyptic number.

It is an amenable number.

5515252225 is a deficient number, since it is larger than the sum of its proper divisors (2655296255).

5515252225 is a wasteful number, since it uses less digits than its factorization.

5515252225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530 (or 2525 counting only the distinct ones).

The product of its digits is 50000, while the sum is 34.

The square root of 5515252225 is about 74264.7441589884. The cubic root of 5515252225 is about 1766.8043485712.

The spelling of 5515252225 in words is "five billion, five hundred fifteen million, two hundred fifty-two thousand, two hundred twenty-five".