51522205050 has 36 divisors (see below), whose sum is σ = 138422992110. Its totient is φ = 13739254560.

The previous prime is 51522205037. The next prime is 51522205117. The reversal of 51522205050 is 5050222515.

51522205050 is a `hidden beast` number, since 5 + 152 + 2 + 2 + 0 + 505 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 31799092329 + 19723112721 = 178323^2 + 140439^2 .

It is a super-2 number, since 2×51522205050² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

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, 57246445 + ... + 57247344.

Almost surely, 2^51522205050 is an apocalyptic number.

51522205050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51522205050 is an abundant number, since it is smaller than the sum of its proper divisors (86900787060).

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

51522205050 is a wasteful number, since it uses less digits than its factorization.

51522205050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114493807 (or 114493799 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

Adding to 51522205050 its reverse (5050222515), we get a palindrome (56572427565).

The spelling of 51522205050 in words is "fifty-one billion, five hundred twenty-two million, two hundred five thousand, fifty".