550255530555 has 80 divisors (see below), whose sum is σ = 1019088221184. Its totient is φ = 283755908160.

The previous prime is 550255530553. The next prime is 550255530557. The reversal of 550255530555 is 555035552055.

It is an interprime number because it is at equal distance from previous prime (550255530553) and next prime (550255530557).

It is not a de Polignac number, because 550255530555 - 2¹ = 550255530553 is a prime.

It is a super-2 number, since 2×550255530555² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 550255530555.

It is not an unprimeable number, because it can be changed into a prime (550255530553) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 14884324 + ... + 14921246.

Almost surely, 2^550255530555 is an apocalyptic number.

550255530555 is a deficient number, since it is larger than the sum of its proper divisors (468832690629).

550255530555 is a wasteful number, since it uses less digits than its factorization.

550255530555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38158 (or 38149 counting only the distinct ones).

The product of its (nonzero) digits is 2343750, while the sum is 45.

The spelling of 550255530555 in words is "five hundred fifty billion, two hundred fifty-five million, five hundred thirty thousand, five hundred fifty-five".