552421843 has 16 divisors (see below), whose sum is σ = 586137600. Its totient is φ = 519583680.

The previous prime is 552421787. The next prime is 552421861. The reversal of 552421843 is 348124255.

552421843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552421843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 552421799 and 552421808.

It is not an unprimeable number, because it can be changed into a prime (552428843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431278 + ... + 432556.

It is an arithmetic number, because the mean of its divisors is an integer number (36633600).

Almost surely, 2^552421843 is an apocalyptic number.

552421843 is a deficient number, since it is larger than the sum of its proper divisors (33715757).

552421843 is a wasteful number, since it uses less digits than its factorization.

552421843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602.

The product of its digits is 38400, while the sum is 34.

The square root of 552421843 is about 23503.6559496603. The cubic root of 552421843 is about 820.5220961234.

The spelling of 552421843 in words is "five hundred fifty-two million, four hundred twenty-one thousand, eight hundred forty-three".