55065240503 has 16 divisors (see below), whose sum is σ = 67779887616. Its totient is φ = 43563420000.

The previous prime is 55065240497. The next prime is 55065240523. The reversal of 55065240503 is 30504256055.

It is a cyclic number.

It is not a de Polignac number, because 55065240503 - 2¹⁴ = 55065224119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55065240523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 996950 + ... + 1050732.

It is an arithmetic number, because the mean of its divisors is an integer number (4236242976).

Almost surely, 2^55065240503 is an apocalyptic number.

55065240503 is a deficient number, since it is larger than the sum of its proper divisors (12714647113).

55065240503 is a wasteful number, since it uses less digits than its factorization.

55065240503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65054.

The product of its (nonzero) digits is 90000, while the sum is 35.

Adding to 55065240503 its reverse (30504256055), we get a palindrome (85569496558).

The spelling of 55065240503 in words is "fifty-five billion, sixty-five million, two hundred forty thousand, five hundred three".