550940465 has 4 divisors (see below), whose sum is σ = 661128564. Its totient is φ = 440752368.

The previous prime is 550940461. The next prime is 550940479. The reversal of 550940465 is 564049055.

550940465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 383807281 + 167133184 = 19591^2 + 12928^2 .

It is a cyclic number.

It is not a de Polignac number, because 550940465 - 2² = 550940461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (550940461) 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, 55094042 + ... + 55094051.

It is an arithmetic number, because the mean of its divisors is an integer number (165282141).

Almost surely, 2^550940465 is an apocalyptic number.

It is an amenable number.

550940465 is a deficient number, since it is larger than the sum of its proper divisors (110188099).

550940465 is a wasteful number, since it uses less digits than its factorization.

550940465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110188098.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 550940465 is about 23472.1210162184. The cubic root of 550940465 is about 819.7880004202.

The spelling of 550940465 in words is "five hundred fifty million, nine hundred forty thousand, four hundred sixty-five".