51241235442053 has 16 divisors (see below), whose sum is σ = 52371578389440. Its totient is φ = 50120149814784.

The previous prime is 51241235441971. The next prime is 51241235442077. The reversal of 51241235442053 is 35024453214215.

51241235442053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51241235442053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51241235442053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51241235442953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8957075 + ... + 13517087.

It is an arithmetic number, because the mean of its divisors is an integer number (3273223649340).

Almost surely, 2^{51241235442053} is an apocalyptic number.

It is an amenable number.

51241235442053 is a deficient number, since it is larger than the sum of its proper divisors (1130342947387).

51241235442053 is a wasteful number, since it uses less digits than its factorization.

51241235442053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4561028.

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 51241235442053 its reverse (35024453214215), we get a palindrome (86265688656268).

The spelling of 51241235442053 in words is "fifty-one trillion, two hundred forty-one billion, two hundred thirty-five million, four hundred forty-two thousand, fifty-three".