550055550015 has 24 divisors (see below), whose sum is σ = 953451813600. Its totient is φ = 293356131264.

The previous prime is 550055550013. The next prime is 550055550041. The reversal of 550055550015 is 510055550055.

It is a happy number.

550055550015 is a `hidden beast` number, since 5 + 50 + 0 + 55 + 550 + 0 + 1 + 5 = 666.

It is not a de Polignac number, because 550055550015 - 2¹ = 550055550013 is a prime.

It is a super-2 number, since 2×550055550015² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550055550013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2257086 + ... + 2488884.

It is an arithmetic number, because the mean of its divisors is an integer number (39727158900).

Almost surely, 2^550055550015 is an apocalyptic number.

550055550015 is a deficient number, since it is larger than the sum of its proper divisors (403396263585).

550055550015 is a wasteful number, since it uses less digits than its factorization.

550055550015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284543 (or 284540 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 36.

The spelling of 550055550015 in words is "five hundred fifty billion, fifty-five million, five hundred fifty thousand, fifteen".