51017227 has 8 divisors (see below), whose sum is σ = 52755840. Its totient is φ = 49284480.

The previous prime is 51017189. The next prime is 51017233. The reversal of 51017227 is 72271015.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51017227 - 2¹⁵ = 50984459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51017237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22899 + ... + 25027.

It is an arithmetic number, because the mean of its divisors is an integer number (6594480).

Almost surely, 2^51017227 is an apocalyptic number.

51017227 is a deficient number, since it is larger than the sum of its proper divisors (1738613).

51017227 is a wasteful number, since it uses less digits than its factorization.

51017227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 51017227 is about 7142.6344579574. The cubic root of 51017227 is about 370.8847272063.

The spelling of 51017227 in words is "fifty-one million, seventeen thousand, two hundred twenty-seven".