550321164361 has 4 divisors (see below), whose sum is σ = 551470060800. Its totient is φ = 549172267924.

The previous prime is 550321164353. The next prime is 550321164457. The reversal of 550321164361 is 163461123055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 550321164361 - 2³ = 550321164353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550321164361.

It is not an unprimeable number, because it can be changed into a prime (550321164461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574447501 + ... + 574448458.

It is an arithmetic number, because the mean of its divisors is an integer number (137867515200).

Almost surely, 2^550321164361 is an apocalyptic number.

It is an amenable number.

550321164361 is a deficient number, since it is larger than the sum of its proper divisors (1148896439).

550321164361 is a wasteful number, since it uses less digits than its factorization.

550321164361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148896438.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 550321164361 in words is "five hundred fifty billion, three hundred twenty-one million, one hundred sixty-four thousand, three hundred sixty-one".