550230261 has 24 divisors (see below), whose sum is σ = 859963104. Its totient is φ = 312006240.

The previous prime is 550230257. The next prime is 550230277. The reversal of 550230261 is 162032055.

It is not a de Polignac number, because 550230261 - 2² = 550230257 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550230361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4971 + ... + 33543.

It is an arithmetic number, because the mean of its divisors is an integer number (35831796).

Almost surely, 2^550230261 is an apocalyptic number.

It is an amenable number.

550230261 is a deficient number, since it is larger than the sum of its proper divisors (309732843).

550230261 is a wasteful number, since it uses less digits than its factorization.

550230261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28721 (or 28714 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 550230261 is about 23456.9874664246. The cubic root of 550230261 is about 819.4355926695.

The spelling of 550230261 in words is "five hundred fifty million, two hundred thirty thousand, two hundred sixty-one".