550054742861 has 8 divisors (see below), whose sum is σ = 592382999040. Its totient is φ = 507728822832.

The previous prime is 550054742857. The next prime is 550054742879. The reversal of 550054742861 is 168247450055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550054742861 - 2² = 550054742857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550054742801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78821 + ... + 1051818.

It is an arithmetic number, because the mean of its divisors is an integer number (74047874880).

Almost surely, 2^550054742861 is an apocalyptic number.

It is an amenable number.

550054742861 is a deficient number, since it is larger than the sum of its proper divisors (42328256179).

550054742861 is a wasteful number, since it uses less digits than its factorization.

550054742861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168075.

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 550054742861 in words is "five hundred fifty billion, fifty-four million, seven hundred forty-two thousand, eight hundred sixty-one".