51652973856 has 96 divisors (see below), whose sum is σ = 154346508288. Its totient is φ = 14971869440.

The previous prime is 51652973767. The next prime is 51652973969. The reversal of 51652973856 is 65837925615.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 51652973796 and 51652973805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1039056 + ... + 1087631.

It is an arithmetic number, because the mean of its divisors is an integer number (1607776128).

Almost surely, 2^51652973856 is an apocalyptic number.

It is an amenable number.

51652973856 is an abundant number, since it is smaller than the sum of its proper divisors (102693534432).

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

51652973856 is a wasteful number, since it uses less digits than its factorization.

51652973856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126734 (or 2126726 counting only the distinct ones).

The product of its digits is 13608000, while the sum is 57.

The spelling of 51652973856 in words is "fifty-one billion, six hundred fifty-two million, nine hundred seventy-three thousand, eight hundred fifty-six".