51371422 has 8 divisors (see below), whose sum is σ = 77137416. Its totient is φ = 25658952.

The previous prime is 51371393. The next prime is 51371431. The reversal of 51371422 is 22417315.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10888 + ... + 14875.

It is an arithmetic number, because the mean of its divisors is an integer number (9642177).

Almost surely, 2^51371422 is an apocalyptic number.

51371422 is a deficient number, since it is larger than the sum of its proper divisors (25765994).

51371422 is a wasteful number, since it uses less digits than its factorization.

51371422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26762.

The product of its digits is 1680, while the sum is 25.

The square root of 51371422 is about 7167.3859949078. The cubic root of 51371422 is about 371.7410567401.

Adding to 51371422 its reverse (22417315), we get a palindrome (73788737).

The spelling of 51371422 in words is "fifty-one million, three hundred seventy-one thousand, four hundred twenty-two".