555117243 has 16 divisors (see below), whose sum is σ = 783206400. Its totient is φ = 348757920.

The previous prime is 555117239. The next prime is 555117247. The reversal of 555117243 is 342711555.

555117243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (555117239) and next prime (555117247).

It is not a de Polignac number, because 555117243 - 2² = 555117239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (555117247) 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, 14608 + ... + 36381.

It is an arithmetic number, because the mean of its divisors is an integer number (48950400).

Almost surely, 2^555117243 is an apocalyptic number.

555117243 is a deficient number, since it is larger than the sum of its proper divisors (228089157).

555117243 is a wasteful number, since it uses less digits than its factorization.

555117243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51202.

The product of its digits is 21000, while the sum is 33.

The square root of 555117243 is about 23560.9261914722. The cubic root of 555117243 is about 821.8544402188.

Adding to 555117243 its reverse (342711555), we get a palindrome (897828798).

The spelling of 555117243 in words is "five hundred fifty-five million, one hundred seventeen thousand, two hundred forty-three".