550451023 has 4 divisors (see below), whose sum is σ = 551457880. Its totient is φ = 549444168.

The previous prime is 550451009. The next prime is 550451039. The reversal of 550451023 is 320154055.

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

It is a cyclic number.

It is not a de Polignac number, because 550451023 - 2⁵ = 550450991 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 (550451003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502608 + ... + 503701.

It is an arithmetic number, because the mean of its divisors is an integer number (137864470).

Almost surely, 2^550451023 is an apocalyptic number.

550451023 is a deficient number, since it is larger than the sum of its proper divisors (1006857).

550451023 is a wasteful number, since it uses less digits than its factorization.

550451023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006856.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 550451023 is about 23461.6926712460. The cubic root of 550451023 is about 819.5451686447.

The spelling of 550451023 in words is "five hundred fifty million, four hundred fifty-one thousand, twenty-three".