550461121164055 has 4 divisors (see below), whose sum is σ = 660553345396872. Its totient is φ = 440368896931240.

The previous prime is 550461121164043. The next prime is 550461121164067.

550461121164055 is nontrivially palindromic in base 10.

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

It is an interprime number because it is at equal distance from previous prime (550461121164043) and next prime (550461121164067).

It is not a de Polignac number, because 550461121164055 - 2⁹ = 550461121163543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550461121163996 and 550461121164014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55046112116401 + ... + 55046112116410.

It is an arithmetic number, because the mean of its divisors is an integer number (165138336349218).

Almost surely, 2^{550461121164055} is an apocalyptic number.

550461121164055 is a deficient number, since it is larger than the sum of its proper divisors (110092224232817).

550461121164055 is a wasteful number, since it uses less digits than its factorization.

550461121164055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110092224232816.

The product of its (nonzero) digits is 720000, while the sum is 46.

The spelling of 550461121164055 in words is "five hundred fifty trillion, four hundred sixty-one billion, one hundred twenty-one million, one hundred sixty-four thousand, fifty-five".