550040263 has 2 divisors, whose sum is σ = 550040264. Its totient is φ = 550040262.

The previous prime is 550040209. The next prime is 550040353. The reversal of 550040263 is 362040055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550040263 - 2¹³ = 550032071 is a prime.

It is a super-2 number, since 2×550040263² = 605088581842218338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550040363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275020131 + 275020132.

It is an arithmetic number, because the mean of its divisors is an integer number (275020132).

Almost surely, 2^550040263 is an apocalyptic number.

550040263 is a deficient number, since it is larger than the sum of its proper divisors (1).

550040263 is an equidigital number, since it uses as much as digits as its factorization.

550040263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 550040263 is about 23452.9371934519. The cubic root of 550040263 is about 819.3412630415.

The spelling of 550040263 in words is "five hundred fifty million, forty thousand, two hundred sixty-three".