51959463068 has 24 divisors (see below), whose sum is σ = 96513278400. Its totient is φ = 24391715328.

The previous prime is 51959463013. The next prime is 51959463107. The reversal of 51959463068 is 86036495915.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 906308 + ... + 961931.

It is an arithmetic number, because the mean of its divisors is an integer number (4021386600).

Almost surely, 2^51959463068 is an apocalyptic number.

It is an amenable number.

51959463068 is a deficient number, since it is larger than the sum of its proper divisors (44553815332).

51959463068 is a wasteful number, since it uses less digits than its factorization.

51959463068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868669 (or 1868667 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 56.

The spelling of 51959463068 in words is "fifty-one billion, nine hundred fifty-nine million, four hundred sixty-three thousand, sixty-eight".