51446256 has 40 divisors (see below), whose sum is σ = 134135760. Its totient is φ = 16989696.

The previous prime is 51446251. The next prime is 51446293. The reversal of 51446256 is 65264415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51446251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316 + ... + 10148.

It is an arithmetic number, because the mean of its divisors is an integer number (3353394).

Almost surely, 2^51446256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51446256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67067880).

51446256 is an abundant number, since it is smaller than the sum of its proper divisors (82689504).

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

51446256 is a wasteful number, since it uses less digits than its factorization.

51446256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9953 (or 9947 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 51446256 is about 7172.6045478613. The cubic root of 51446256 is about 371.9214772407.

The spelling of 51446256 in words is "fifty-one million, four hundred forty-six thousand, two hundred fifty-six".