51967856622 has 16 divisors (see below), whose sum is σ = 113384414592. Its totient is φ = 15747835320.

The previous prime is 51967856599. The next prime is 51967856623. The reversal of 51967856622 is 22665876915.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51967856623) 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 7 ways as a sum of consecutive naturals, for example, 393695818 + ... + 393695949.

It is an arithmetic number, because the mean of its divisors is an integer number (7086525912).

Almost surely, 2^51967856622 is an apocalyptic number.

51967856622 is an abundant number, since it is smaller than the sum of its proper divisors (61416557970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51967856622 is a wasteful number, since it uses less digits than its factorization.

51967856622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787391783.

The product of its digits is 10886400, while the sum is 57.

The spelling of 51967856622 in words is "fifty-one billion, nine hundred sixty-seven million, eight hundred fifty-six thousand, six hundred twenty-two".