51650535572 has 24 divisors (see below), whose sum is σ = 93029630400. Its totient is φ = 25081499520.

The previous prime is 51650535569. The next prime is 51650535611. The reversal of 51650535572 is 27553505615.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1338197 + ... + 1376252.

It is an arithmetic number, because the mean of its divisors is an integer number (3876234600).

Almost surely, 2^51650535572 is an apocalyptic number.

It is an amenable number.

51650535572 is a deficient number, since it is larger than the sum of its proper divisors (41379094828).

51650535572 is a wasteful number, since it uses less digits than its factorization.

51650535572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714591 (or 2714589 counting only the distinct ones).

The product of its (nonzero) digits is 787500, while the sum is 44.

The spelling of 51650535572 in words is "fifty-one billion, six hundred fifty million, five hundred thirty-five thousand, five hundred seventy-two".