550286161919 has 4 divisors (see below), whose sum is σ = 592615866696. Its totient is φ = 507956457144.

The previous prime is 550286161913. The next prime is 550286161981. The reversal of 550286161919 is 919161682055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 550286161919 - 2¹² = 550286157823 is a prime.

It is a super-2 number, since 2×550286161919² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550286161913) 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, 21164852369 + ... + 21164852394.

It is an arithmetic number, because the mean of its divisors is an integer number (148153966674).

Almost surely, 2^550286161919 is an apocalyptic number.

550286161919 is a deficient number, since it is larger than the sum of its proper divisors (42329704777).

550286161919 is a wasteful number, since it uses less digits than its factorization.

550286161919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42329704776.

The product of its (nonzero) digits is 1166400, while the sum is 53.

The spelling of 550286161919 in words is "five hundred fifty billion, two hundred eighty-six million, one hundred sixty-one thousand, nine hundred nineteen".