55242144124255 has 12 divisors (see below), whose sum is σ = 72864844647336. Its totient is φ = 40176104817200.

The previous prime is 55242144124241. The next prime is 55242144124259.

55242144124255 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55242144124255 - 2⁷ = 55242144124127 is a prime.

It is a super-2 number, since 2×55242144124255² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55242144124259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45654663961 + ... + 45654665170.

It is an arithmetic number, because the mean of its divisors is an integer number (6072070387278).

Almost surely, 2^{55242144124255} is an apocalyptic number.

55242144124255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55242144124255 is a deficient number, since it is larger than the sum of its proper divisors (17622700523081).

55242144124255 is a wasteful number, since it uses less digits than its factorization.

55242144124255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91309329158 (or 91309329147 counting only the distinct ones).

The product of its digits is 2560000, while the sum is 46.

It can be divided in two parts, 5524214 and 4124255, that added together give a palindrome (9648469).

The spelling of 55242144124255 in words is "fifty-five trillion, two hundred forty-two billion, one hundred forty-four million, one hundred twenty-four thousand, two hundred fifty-five".