555240101 has 16 divisors (see below), whose sum is σ = 618336768. Its totient is φ = 495115200.

The previous prime is 555240083. The next prime is 555240107. The reversal of 555240101 is 101042555.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 555240101 - 2¹⁴ = 555223717 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 (555240107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352646 + ... + 354216.

It is an arithmetic number, because the mean of its divisors is an integer number (38646048).

Almost surely, 2^555240101 is an apocalyptic number.

It is an amenable number.

555240101 is a deficient number, since it is larger than the sum of its proper divisors (63096667).

555240101 is a wasteful number, since it uses less digits than its factorization.

555240101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 555240101 is about 23563.5332876884. The cubic root of 555240101 is about 821.9150664174.

Adding to 555240101 its reverse (101042555), we get a palindrome (656282656).

The spelling of 555240101 in words is "five hundred fifty-five million, two hundred forty thousand, one hundred one".