550405051 has 4 divisors (see below), whose sum is σ = 629034352. Its totient is φ = 471775752.

The previous prime is 550405049. The next prime is 550405133. The reversal of 550405051 is 150504055.

550405051 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 is not a de Polignac number, because 550405051 - 2¹ = 550405049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550405151) 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, 39314640 + ... + 39314653.

It is an arithmetic number, because the mean of its divisors is an integer number (157258588).

Almost surely, 2^550405051 is an apocalyptic number.

550405051 is a deficient number, since it is larger than the sum of its proper divisors (78629301).

550405051 is an equidigital number, since it uses as much as digits as its factorization.

550405051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78629300.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 550405051 is about 23460.7129260813. The cubic root of 550405051 is about 819.5223527005.

The spelling of 550405051 in words is "five hundred fifty million, four hundred five thousand, fifty-one".