51025840322 has 8 divisors (see below), whose sum is σ = 77587236876. Its totient is φ = 25163428032.

The previous prime is 51025840253. The next prime is 51025840351. The reversal of 51025840322 is 22304852015.

It is a Cunningham number, because it is equal to 225889²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 51025840321 + 1 = 225889^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174745883 + ... + 174746174.

Almost surely, 2^51025840322 is an apocalyptic number.

51025840322 is a deficient number, since it is larger than the sum of its proper divisors (26561396554).

51025840322 is a wasteful number, since it uses less digits than its factorization.

51025840322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349492132.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 51025840322 in words is "fifty-one billion, twenty-five million, eight hundred forty thousand, three hundred twenty-two".