550400230261 has 16 divisors (see below), whose sum is σ = 667153770624. Its totient is φ = 443271527424.

The previous prime is 550400230253. The next prime is 550400230271. The reversal of 550400230261 is 162032004055.

It is a cyclic number.

It is not a de Polignac number, because 550400230261 - 2³ = 550400230253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550400230271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3829275 + ... + 3970408.

It is an arithmetic number, because the mean of its divisors is an integer number (41697110664).

Almost surely, 2^550400230261 is an apocalyptic number.

It is an amenable number.

550400230261 is a deficient number, since it is larger than the sum of its proper divisors (116753540363).

550400230261 is a wasteful number, since it uses less digits than its factorization.

550400230261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7800300.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 550400230261 in words is "five hundred fifty billion, four hundred million, two hundred thirty thousand, two hundred sixty-one".