550390378593 has 16 divisors (see below), whose sum is σ = 801861177600. Its totient is φ = 333031028880.

The previous prime is 550390378561. The next prime is 550390378619. The reversal of 550390378593 is 395873093055.

It is not a de Polignac number, because 550390378593 - 2⁵ = 550390378561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550390378513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13451703 + ... + 13492556.

It is an arithmetic number, because the mean of its divisors is an integer number (50116323600).

Almost surely, 2^550390378593 is an apocalyptic number.

It is an amenable number.

550390378593 is a deficient number, since it is larger than the sum of its proper divisors (251470799007).

550390378593 is a wasteful number, since it uses less digits than its factorization.

550390378593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26944892.

The product of its (nonzero) digits is 15309000, while the sum is 57.

The spelling of 550390378593 in words is "five hundred fifty billion, three hundred ninety million, three hundred seventy-eight thousand, five hundred ninety-three".