51342227 has 8 divisors (see below), whose sum is σ = 54563616. Its totient is φ = 48143232.

The previous prime is 51342217. The next prime is 51342253. The reversal of 51342227 is 72224315.

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 51342227 - 2¹⁸ = 51080083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51342196 and 51342205.

It is not an unprimeable number, because it can be changed into a prime (51342217) 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, 743 + ... + 10160.

It is an arithmetic number, because the mean of its divisors is an integer number (6820452).

Almost surely, 2^51342227 is an apocalyptic number.

51342227 is a deficient number, since it is larger than the sum of its proper divisors (3221389).

51342227 is a wasteful number, since it uses less digits than its factorization.

51342227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11197.

The product of its digits is 3360, while the sum is 26.

The square root of 51342227 is about 7165.3490494183. The cubic root of 51342227 is about 371.6706217502.

The spelling of 51342227 in words is "fifty-one million, three hundred forty-two thousand, two hundred twenty-seven".