552198643 has 4 divisors (see below), whose sum is σ = 552424408. Its totient is φ = 551972880.

The previous prime is 552198617. The next prime is 552198649. The reversal of 552198643 is 346891255.

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-552198643 is a prime.

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 552198643.

It is not an unprimeable number, because it can be changed into a prime (552198649) 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, 109173 + ... + 114118.

It is an arithmetic number, because the mean of its divisors is an integer number (138106102).

Almost surely, 2^552198643 is an apocalyptic number.

552198643 is a deficient number, since it is larger than the sum of its proper divisors (225765).

552198643 is a wasteful number, since it uses less digits than its factorization.

552198643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225764.

The product of its digits is 259200, while the sum is 43.

The square root of 552198643 is about 23498.9072724669. The cubic root of 552198643 is about 820.4115735792.

The spelling of 552198643 in words is "five hundred fifty-two million, one hundred ninety-eight thousand, six hundred forty-three".