550344563 has 4 divisors (see below), whose sum is σ = 550426800. Its totient is φ = 550262328.

The previous prime is 550344559. The next prime is 550344601. The reversal of 550344563 is 365443055.

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 550344563 - 2² = 550344559 is a prime.

It is a super-3 number, since 3×550344563³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550344523) 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, 30095 + ... + 44792.

It is an arithmetic number, because the mean of its divisors is an integer number (137606700).

Almost surely, 2^550344563 is an apocalyptic number.

550344563 is a deficient number, since it is larger than the sum of its proper divisors (82237).

550344563 is an equidigital number, since it uses as much as digits as its factorization.

550344563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82236.

The product of its (nonzero) digits is 108000, while the sum is 35.

The square root of 550344563 is about 23459.4237567763. The cubic root of 550344563 is about 819.4923305172.

The spelling of 550344563 in words is "five hundred fifty million, three hundred forty-four thousand, five hundred sixty-three".