550028703443 has 4 divisors (see below), whose sum is σ = 551158126320. Its totient is φ = 548899280568.

The previous prime is 550028703439. The next prime is 550028703457. The reversal of 550028703443 is 344307820055.

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 550028703443 - 2² = 550028703439 is a prime.

It is a super-2 number, since 2×550028703443² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550028703443.

It is not an unprimeable number, because it can be changed into a prime (550028703403) 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, 564710708 + ... + 564711681.

It is an arithmetic number, because the mean of its divisors is an integer number (137789531580).

Almost surely, 2^550028703443 is an apocalyptic number.

550028703443 is a deficient number, since it is larger than the sum of its proper divisors (1129422877).

550028703443 is a wasteful number, since it uses less digits than its factorization.

550028703443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129422876.

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 550028703443 in words is "five hundred fifty billion, twenty-eight million, seven hundred three thousand, four hundred forty-three".