5550278138 has 8 divisors (see below), whose sum is σ = 8763597120. Its totient is φ = 2629079100.

The previous prime is 5550278131. The next prime is 5550278179. The reversal of 5550278138 is 8318720555.

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

It is not an unprimeable number, because it can be changed into a prime (5550278131) 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 3 ways as a sum of consecutive naturals, for example, 73029938 + ... + 73030013.

It is an arithmetic number, because the mean of its divisors is an integer number (1095449640).

Almost surely, 2^5550278138 is an apocalyptic number.

5550278138 is a deficient number, since it is larger than the sum of its proper divisors (3213318982).

5550278138 is a wasteful number, since it uses less digits than its factorization.

5550278138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146059972.

The product of its (nonzero) digits is 336000, while the sum is 44.

The square root of 5550278138 is about 74500.1888453982. The cubic root of 5550278138 is about 1770.5366283342.

The spelling of 5550278138 in words is "five billion, five hundred fifty million, two hundred seventy-eight thousand, one hundred thirty-eight".