5500505551 has 16 divisors (see below), whose sum is σ = 5684980608. Its totient is φ = 5319072000.

The previous prime is 5500505531. The next prime is 5500505573. The reversal of 5500505551 is 1555050055.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5500505551 is a prime.

It is a super-2 number, since 2×5500505551² = 60511122633163627202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5500505501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3136891 + ... + 3138643.

It is an arithmetic number, because the mean of its divisors is an integer number (355311288).

Almost surely, 2^5500505551 is an apocalyptic number.

5500505551 is a deficient number, since it is larger than the sum of its proper divisors (184475057).

5500505551 is a wasteful number, since it uses less digits than its factorization.

5500505551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562.

The product of its (nonzero) digits is 15625, while the sum is 31.

The square root of 5500505551 is about 74165.3932167827. The cubic root of 5500505551 is about 1765.2282499797.

The spelling of 5500505551 in words is "five billion, five hundred million, five hundred five thousand, five hundred fifty-one".