51882911439 has 16 divisors (see below), whose sum is σ = 73272306528. Its totient is φ = 32542497792.

The previous prime is 51882911407. The next prime is 51882911449. The reversal of 51882911439 is 93411928815.

It is not a de Polignac number, because 51882911439 - 2⁵ = 51882911407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 51882911391 and 51882911400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51882911449) 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, 32332 + ... + 323745.

It is an arithmetic number, because the mean of its divisors is an integer number (4579519158).

Almost surely, 2^51882911439 is an apocalyptic number.

51882911439 is a deficient number, since it is larger than the sum of its proper divisors (21389395089).

51882911439 is a wasteful number, since it uses less digits than its factorization.

51882911439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358954.

The product of its digits is 622080, while the sum is 51.

The spelling of 51882911439 in words is "fifty-one billion, eight hundred eighty-two million, nine hundred eleven thousand, four hundred thirty-nine".