51626065772 has 24 divisors (see below), whose sum is σ = 91338229584. Its totient is φ = 25530213632.

The previous prime is 51626065721. The next prime is 51626065781. The reversal of 51626065772 is 27756062615.

51626065772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 166328 + ... + 361824.

It is an arithmetic number, because the mean of its divisors is an integer number (3805759566).

Almost surely, 2^51626065772 is an apocalyptic number.

It is an amenable number.

51626065772 is a deficient number, since it is larger than the sum of its proper divisors (39712163812).

51626065772 is a wasteful number, since it uses less digits than its factorization.

51626065772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196225 (or 196223 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 51626065772 in words is "fifty-one billion, six hundred twenty-six million, sixty-five thousand, seven hundred seventy-two".