51847227 has 6 divisors (see below), whose sum is σ = 74890452. Its totient is φ = 34564812.

The previous prime is 51847199. The next prime is 51847307. The reversal of 51847227 is 72274815.

It is not a de Polignac number, because 51847227 - 2¹⁰ = 51846203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51847191 and 51847200.

It is not an unprimeable number, because it can be changed into a prime (51847427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2880393 + ... + 2880410.

It is an arithmetic number, because the mean of its divisors is an integer number (12481742).

Almost surely, 2^51847227 is an apocalyptic number.

51847227 is a deficient number, since it is larger than the sum of its proper divisors (23043225).

51847227 is a wasteful number, since it uses less digits than its factorization.

51847227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5760809 (or 5760806 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 51847227 is about 7200.5018575097. The cubic root of 51847227 is about 372.8852270462.

It can be divided in two parts, 5184722 and 7, that added together give a square (5184729 = 2277²).

The spelling of 51847227 in words is "fifty-one million, eight hundred forty-seven thousand, two hundred twenty-seven".