51226472 has 16 divisors (see below), whose sum is σ = 104781600. Its totient is φ = 23284720.

The previous prime is 51226421. The next prime is 51226481. The reversal of 51226472 is 27462215.

It is a happy number.

51226472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 290972 + ... + 291147.

It is an arithmetic number, because the mean of its divisors is an integer number (6548850).

Almost surely, 2^51226472 is an apocalyptic number.

It is an amenable number.

51226472 is an abundant number, since it is smaller than the sum of its proper divisors (53555128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51226472 is a wasteful number, since it uses less digits than its factorization.

51226472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582136 (or 582132 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 51226472 is about 7157.2670761961. The cubic root of 51226472 is about 371.3910915689.

Adding to 51226472 its reverse (27462215), we get a palindrome (78688687).

The spelling of 51226472 in words is "fifty-one million, two hundred twenty-six thousand, four hundred seventy-two".