51890924716 has 12 divisors (see below), whose sum is σ = 92741227488. Its totient is φ = 25393431152.

The previous prime is 51890924711. The next prime is 51890924731. The reversal of 51890924716 is 61742909815.

It is not an unprimeable number, because it can be changed into a prime (51890924711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138007591 + ... + 138007966.

It is an arithmetic number, because the mean of its divisors is an integer number (7728435624).

Almost surely, 2^51890924716 is an apocalyptic number.

It is an amenable number.

51890924716 is a deficient number, since it is larger than the sum of its proper divisors (40850302772).

51890924716 is a wasteful number, since it uses less digits than its factorization.

51890924716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276015608 (or 276015606 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 51890924716 in words is "fifty-one billion, eight hundred ninety million, nine hundred twenty-four thousand, seven hundred sixteen".