550533868355 has 12 divisors (see below), whose sum is σ = 684206900832. Its totient is φ = 425239950240.

The previous prime is 550533868327. The next prime is 550533868399. The reversal of 550533868355 is 553868335055.

It is not a de Polignac number, because 550533868355 - 2⁸ = 550533868099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 550533868355.

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, 65457611 + ... + 65466020.

It is an arithmetic number, because the mean of its divisors is an integer number (57017241736).

Almost surely, 2^550533868355 is an apocalyptic number.

550533868355 is a deficient number, since it is larger than the sum of its proper divisors (133673032477).

550533868355 is a wasteful number, since it uses less digits than its factorization.

550533868355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130923694 (or 130923665 counting only the distinct ones).

The product of its (nonzero) digits is 32400000, while the sum is 56.

The spelling of 550533868355 in words is "five hundred fifty billion, five hundred thirty-three million, eight hundred sixty-eight thousand, three hundred fifty-five".