5515550245 has 8 divisors (see below), whose sum is σ = 6644415384. Its totient is φ = 4395270144.

The previous prime is 5515550233. The next prime is 5515550269. The reversal of 5515550245 is 5420555155.

It can be written as a sum of positive squares in 4 ways, for example, as 660387204 + 4855163041 = 25698^2 + 69679^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5515550245 - 2¹⁵ = 5515517477 is a prime.

It is a Duffinian number.

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, 2144844 + ... + 2147413.

It is an arithmetic number, because the mean of its divisors is an integer number (830551923).

Almost surely, 2^5515550245 is an apocalyptic number.

It is an amenable number.

5515550245 is a deficient number, since it is larger than the sum of its proper divisors (1128865139).

5515550245 is a wasteful number, since it uses less digits than its factorization.

5515550245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292519.

The product of its (nonzero) digits is 125000, while the sum is 37.

The square root of 5515550245 is about 74266.7506021369. The cubic root of 5515550245 is about 1766.8361714463.

The spelling of 5515550245 in words is "five billion, five hundred fifteen million, five hundred fifty thousand, two hundred forty-five".