5500555278 has 24 divisors (see below), whose sum is σ = 11142203688. Its totient is φ = 1810297008.

The previous prime is 5500555273. The next prime is 5500555283. The reversal of 5500555278 is 8725550055.

It is an interprime number because it is at equal distance from previous prime (5500555273) and next prime (5500555283).

It is a super-2 number, since 2×5500555278² = 60512216732667314568, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5500555273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36001 + ... + 110892.

It is an arithmetic number, because the mean of its divisors is an integer number (464258487).

Almost surely, 2^5500555278 is an apocalyptic number.

5500555278 is an abundant number, since it is smaller than the sum of its proper divisors (5641648410).

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

5500555278 is a wasteful number, since it uses less digits than its factorization.

5500555278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147056 (or 146977 counting only the distinct ones).

The product of its (nonzero) digits is 350000, while the sum is 42.

The square root of 5500555278 is about 74165.7284599835. The cubic root of 5500555278 is about 1765.2335694447.

The spelling of 5500555278 in words is "five billion, five hundred million, five hundred fifty-five thousand, two hundred seventy-eight".