51723888108 has 24 divisors (see below), whose sum is σ = 120694414848. Its totient is φ = 17240532816.

The previous prime is 51723888091. The next prime is 51723888109. The reversal of 51723888108 is 80188832715.

It is not an unprimeable number, because it can be changed into a prime (51723888109) 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, 231885 + ... + 396507.

It is an arithmetic number, because the mean of its divisors is an integer number (5028933952).

Almost surely, 2^51723888108 is an apocalyptic number.

It is an amenable number.

51723888108 is an abundant number, since it is smaller than the sum of its proper divisors (68970526740).

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

51723888108 is a wasteful number, since it uses less digits than its factorization.

51723888108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190813 (or 190811 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 51.

The spelling of 51723888108 in words is "fifty-one billion, seven hundred twenty-three million, eight hundred eighty-eight thousand, one hundred eight".