555243101 has 8 divisors (see below), whose sum is σ = 648065280. Its totient is φ = 465796368.

The previous prime is 555243079. The next prime is 555243109. The reversal of 555243101 is 101342555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 555243101 - 2¹⁴ = 555226717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555243109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843506 + ... + 844163.

It is an arithmetic number, because the mean of its divisors is an integer number (81008160).

Almost surely, 2^555243101 is an apocalyptic number.

It is an amenable number.

555243101 is a deficient number, since it is larger than the sum of its proper divisors (92822179).

555243101 is a wasteful number, since it uses less digits than its factorization.

555243101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687723.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 555243101 is about 23563.5969452883. The cubic root of 555243101 is about 821.9165467024.

Adding to 555243101 its reverse (101342555), we get a palindrome (656585656).

The spelling of 555243101 in words is "five hundred fifty-five million, two hundred forty-three thousand, one hundred one".