553066243 has 4 divisors (see below), whose sum is σ = 553211568. Its totient is φ = 552920920.

The previous prime is 553066207. The next prime is 553066247. The reversal of 553066243 is 342660355.

553066243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342660355 = 5 ⋅68532071.

It is a cyclic number.

It is not a de Polignac number, because 553066243 - 2²⁹ = 16195331 is a prime.

It is a super-2 number, since 2×553066243² = 611764538292270098, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 553066199 and 553066208.

It is not an unprimeable number, because it can be changed into a prime (553066247) 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, 66796 + ... + 74617.

It is an arithmetic number, because the mean of its divisors is an integer number (138302892).

Almost surely, 2^553066243 is an apocalyptic number.

553066243 is a deficient number, since it is larger than the sum of its proper divisors (145325).

553066243 is a wasteful number, since it uses less digits than its factorization.

553066243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145324.

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 553066243 is about 23517.3604598815. The cubic root of 553066243 is about 820.8410184501.

The spelling of 553066243 in words is "five hundred fifty-three million, sixty-six thousand, two hundred forty-three".