51325522132 has 6 divisors (see below), whose sum is σ = 89819663738. Its totient is φ = 25662761064.

The previous prime is 51325522091. The next prime is 51325522147. The reversal of 51325522132 is 23122552315.

It can be written as a sum of positive squares in only one way, i.e., 46222420036 + 5103102096 = 214994^2 + 71436^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51325522094 and 51325522103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6415690263 + ... + 6415690270.

Almost surely, 2^51325522132 is an apocalyptic number.

It is an amenable number.

51325522132 is a deficient number, since it is larger than the sum of its proper divisors (38494141606).

51325522132 is a wasteful number, since it uses less digits than its factorization.

51325522132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12831380537 (or 12831380535 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The spelling of 51325522132 in words is "fifty-one billion, three hundred twenty-five million, five hundred twenty-two thousand, one hundred thirty-two".