51422326 has 4 divisors (see below), whose sum is σ = 77133492. Its totient is φ = 25711162.

The previous prime is 51422321. The next prime is 51422333. The reversal of 51422326 is 62322415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62322415 = 5 ⋅12464483.

It is a super-2 number, since 2×51422326² = 5288511222500552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51422326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51422321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12855580 + ... + 12855583.

It is an arithmetic number, because the mean of its divisors is an integer number (19283373).

Almost surely, 2^51422326 is an apocalyptic number.

51422326 is a deficient number, since it is larger than the sum of its proper divisors (25711166).

51422326 is a wasteful number, since it uses less digits than its factorization.

51422326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25711165.

The product of its digits is 2880, while the sum is 25.

The square root of 51422326 is about 7170.9362010828. The cubic root of 51422326 is about 371.8638024169.

The spelling of 51422326 in words is "fifty-one million, four hundred twenty-two thousand, three hundred twenty-six".