51227406 has 12 divisors (see below), whose sum is σ = 110992752. Its totient is φ = 17075796.

The previous prime is 51227387. The next prime is 51227413. The reversal of 51227406 is 60472215.

51227406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51227406.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 1422966 + ... + 1423001.

It is an arithmetic number, because the mean of its divisors is an integer number (9249396).

Almost surely, 2^51227406 is an apocalyptic number.

51227406 is an abundant number, since it is smaller than the sum of its proper divisors (59765346).

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

51227406 is a wasteful number, since it uses less digits than its factorization.

51227406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845975 (or 2845972 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 51227406 is about 7157.3323242672. The cubic root of 51227406 is about 371.3933487168.

The spelling of 51227406 in words is "fifty-one million, two hundred twenty-seven thousand, four hundred six".