51056364227 has 4 divisors (see below), whose sum is σ = 55697851896. Its totient is φ = 46414876560.

The previous prime is 51056364211. The next prime is 51056364253. The reversal of 51056364227 is 72246365015.

51056364227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51056364227 - 2⁴ = 51056364211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51056364427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2320743818 + ... + 2320743839.

It is an arithmetic number, because the mean of its divisors is an integer number (13924462974).

Almost surely, 2^51056364227 is an apocalyptic number.

51056364227 is a deficient number, since it is larger than the sum of its proper divisors (4641487669).

51056364227 is a wasteful number, since it uses less digits than its factorization.

51056364227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4641487668.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 51056364227 in words is "fifty-one billion, fifty-six million, three hundred sixty-four thousand, two hundred twenty-seven".