51316253227 has 16 divisors (see below), whose sum is σ = 57211228800. Its totient is φ = 45742354560.

The previous prime is 51316253221. The next prime is 51316253239. The reversal of 51316253227 is 72235261315.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51316253227 - 2¹¹ = 51316251179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51316253221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1186452 + ... + 1228942.

It is an arithmetic number, because the mean of its divisors is an integer number (3575701800).

Almost surely, 2^51316253227 is an apocalyptic number.

51316253227 is a deficient number, since it is larger than the sum of its proper divisors (5894975573).

51316253227 is a wasteful number, since it uses less digits than its factorization.

51316253227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46266.

The product of its digits is 75600, while the sum is 37.

The spelling of 51316253227 in words is "fifty-one billion, three hundred sixteen million, two hundred fifty-three thousand, two hundred twenty-seven".