550601110555 has 4 divisors (see below), whose sum is σ = 660721332672. Its totient is φ = 440480888440.

The previous prime is 550601110519. The next prime is 550601110559. The reversal of 550601110555 is 555011106055.

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

It is not a de Polignac number, because 550601110555 - 2¹⁹ = 550600586267 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 550601110555.

It is not an unprimeable number, because it can be changed into a prime (550601110559) 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, 55060111051 + ... + 55060111060.

It is an arithmetic number, because the mean of its divisors is an integer number (165180333168).

Almost surely, 2^550601110555 is an apocalyptic number.

550601110555 is a deficient number, since it is larger than the sum of its proper divisors (110120222117).

550601110555 is a wasteful number, since it uses less digits than its factorization.

550601110555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110120222116.

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 550601110555 in words is "five hundred fifty billion, six hundred one million, one hundred ten thousand, five hundred fifty-five".