550016750138 has 4 divisors (see below), whose sum is σ = 825025125210. Its totient is φ = 275008375068.

The previous prime is 550016750137. The next prime is 550016750189. The reversal of 550016750138 is 831057610055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 501154973929 + 48861776209 = 707923^2 + 221047^2 .

It is a junction number, because it is equal to n+sod(n) for n = 550016750095 and 550016750104.

It is not an unprimeable number, because it can be changed into a prime (550016750137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137504187533 + ... + 137504187536.

Almost surely, 2^550016750138 is an apocalyptic number.

550016750138 is a deficient number, since it is larger than the sum of its proper divisors (275008375072).

550016750138 is a wasteful number, since it uses less digits than its factorization.

550016750138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275008375071.

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 550016750138 in words is "five hundred fifty billion, sixteen million, seven hundred fifty thousand, one hundred thirty-eight".