51226465 has 8 divisors (see below), whose sum is σ = 61548480. Its totient is φ = 40930032.

The previous prime is 51226421. The next prime is 51226481. The reversal of 51226465 is 56462215.

51226465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51226465 - 2⁹ = 51225953 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1669 + ... + 10258.

It is an arithmetic number, because the mean of its divisors is an integer number (7693560).

Almost surely, 2^51226465 is an apocalyptic number.

It is an amenable number.

51226465 is a deficient number, since it is larger than the sum of its proper divisors (10322015).

51226465 is a wasteful number, since it uses less digits than its factorization.

51226465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12791.

The product of its digits is 14400, while the sum is 31.

The square root of 51226465 is about 7157.2665871826. The cubic root of 51226465 is about 371.3910746523.

The spelling of 51226465 in words is "fifty-one million, two hundred twenty-six thousand, four hundred sixty-five".