51722005050 has 36 divisors (see below), whose sum is σ = 138959788110. Its totient is φ = 13792534560.

The previous prime is 51722005043. The next prime is 51722005063. The reversal of 51722005050 is 5050022715.

It is a happy number.

51722005050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 39940422201 + 11781582849 = 199851^2 + 108543^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 57468445 + ... + 57469344.

Almost surely, 2^51722005050 is an apocalyptic number.

51722005050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51722005050 is an abundant number, since it is smaller than the sum of its proper divisors (87237783060).

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

51722005050 is a wasteful number, since it uses less digits than its factorization.

51722005050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114937807 (or 114937799 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

Adding to 51722005050 its reverse (5050022715), we get a palindrome (56772027765).

The spelling of 51722005050 in words is "fifty-one billion, seven hundred twenty-two million, five thousand, fifty".