51226760227 has 4 divisors (see below), whose sum is σ = 51268647600. Its totient is φ = 51184872856.

The previous prime is 51226760219. The next prime is 51226760239. The reversal of 51226760227 is 72206762215.

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

It is a cyclic number.

It is not a de Polignac number, because 51226760227 - 2³ = 51226760219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51226760227.

It is not an unprimeable number, because it can be changed into a prime (51226761227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20941852 + ... + 20944297.

It is an arithmetic number, because the mean of its divisors is an integer number (12817161900).

Almost surely, 2^51226760227 is an apocalyptic number.

51226760227 is a deficient number, since it is larger than the sum of its proper divisors (41887373).

51226760227 is a wasteful number, since it uses less digits than its factorization.

51226760227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41887372.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 51226760227 in words is "fifty-one billion, two hundred twenty-six million, seven hundred sixty thousand, two hundred twenty-seven".