550056517515 has 12 divisors (see below), whose sum is σ = 953431297104. Its totient is φ = 293363475984.

The previous prime is 550056517481. The next prime is 550056517541. The reversal of 550056517515 is 515715650055.

550056517515 is a `hidden beast` number, since 5 + 5 + 0 + 0 + 565 + 1 + 75 + 15 = 666.

It is not a de Polignac number, because 550056517515 - 2⁸ = 550056517259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 12223478167 = 550056517515 / (5 + 5 + 0 + 0 + 5 + 6 + 5 + 1 + 7 + 5 + 1 + 5).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6111739039 + ... + 6111739128.

It is an arithmetic number, because the mean of its divisors is an integer number (79452608092).

Almost surely, 2^550056517515 is an apocalyptic number.

550056517515 is a deficient number, since it is larger than the sum of its proper divisors (403374779589).

550056517515 is a wasteful number, since it uses less digits than its factorization.

550056517515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12223478178 (or 12223478175 counting only the distinct ones).

The product of its (nonzero) digits is 656250, while the sum is 45.

The spelling of 550056517515 in words is "five hundred fifty billion, fifty-six million, five hundred seventeen thousand, five hundred fifteen".