51552142223 has 2 divisors, whose sum is σ = 51552142224. Its totient is φ = 51552142222.

The previous prime is 51552142211. The next prime is 51552142231. The reversal of 51552142223 is 32224125515.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51552142223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51552142223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51552142273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25776071111 + 25776071112.

It is an arithmetic number, because the mean of its divisors is an integer number (25776071112).

Almost surely, 2^51552142223 is an apocalyptic number.

51552142223 is a deficient number, since it is larger than the sum of its proper divisors (1).

51552142223 is an equidigital number, since it uses as much as digits as its factorization.

51552142223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24000, while the sum is 32.

Adding to 51552142223 its reverse (32224125515), we get a palindrome (83776267738).

The spelling of 51552142223 in words is "fifty-one billion, five hundred fifty-two million, one hundred forty-two thousand, two hundred twenty-three".