51736233746222 has 4 divisors (see below), whose sum is σ = 77604350619336. Its totient is φ = 25868116873110.

The previous prime is 51736233746203. The next prime is 51736233746311. The reversal of 51736233746222 is 22264733263715.

It is a semiprime because it is the product of two primes.

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, 12934058436554 + ... + 12934058436557.

It is an arithmetic number, because the mean of its divisors is an integer number (19401087654834).

Almost surely, 2^{51736233746222} is an apocalyptic number.

51736233746222 is a deficient number, since it is larger than the sum of its proper divisors (25868116873114).

51736233746222 is a wasteful number, since it uses less digits than its factorization.

51736233746222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25868116873113.

The product of its digits is 15240960, while the sum is 53.

The spelling of 51736233746222 in words is "fifty-one trillion, seven hundred thirty-six billion, two hundred thirty-three million, seven hundred forty-six thousand, two hundred twenty-two".