550027943 has 4 divisors (see below), whose sum is σ = 552119568. Its totient is φ = 547936320.

The previous prime is 550027937. The next prime is 550027963. The reversal of 550027943 is 349720055.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550027943 is a prime.

It is a super-2 number, since 2×550027943² = 605061476161622498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550027963) 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, 1045418 + ... + 1045943.

It is an arithmetic number, because the mean of its divisors is an integer number (138029892).

Almost surely, 2^550027943 is an apocalyptic number.

550027943 is a deficient number, since it is larger than the sum of its proper divisors (2091625).

550027943 is a wasteful number, since it uses less digits than its factorization.

550027943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091624.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 550027943 is about 23452.6745383123. The cubic root of 550027943 is about 819.3351456955.

Adding to 550027943 its reverse (349720055), we get a palindrome (899747998).

The spelling of 550027943 in words is "five hundred fifty million, twenty-seven thousand, nine hundred forty-three".