51785068588 has 24 divisors (see below), whose sum is σ = 98868989520. Its totient is φ = 23537099520.

The previous prime is 51785068579. The next prime is 51785068589. The reversal of 51785068588 is 88586058715.

It is not an unprimeable number, because it can be changed into a prime (51785068589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861168 + ... + 919336.

It is an arithmetic number, because the mean of its divisors is an integer number (4119541230).

Almost surely, 2^51785068588 is an apocalyptic number.

It is an amenable number.

51785068588 is a deficient number, since it is larger than the sum of its proper divisors (47083920932).

51785068588 is a wasteful number, since it uses less digits than its factorization.

51785068588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78417 (or 78415 counting only the distinct ones).

The product of its (nonzero) digits is 21504000, while the sum is 61.

The spelling of 51785068588 in words is "fifty-one billion, seven hundred eighty-five million, sixty-eight thousand, five hundred eighty-eight".