51576256 has 42 divisors (see below), whose sum is σ = 104678480. Its totient is φ = 25209600.

The previous prime is 51576229. The next prime is 51576257. The reversal of 51576256 is 65267515.

51576256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51576256² = 5320220365955072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51576257) by changing a digit.

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, 510606 + ... + 510706.

Almost surely, 2^51576256 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 51576256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52339240).

51576256 is an abundant number, since it is smaller than the sum of its proper divisors (53102224).

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

51576256 is an equidigital number, since it uses as much as digits as its factorization.

51576256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 182 counting only the distinct ones).

The product of its digits is 63000, while the sum is 37.

The square root of 51576256 is about 7181.6610891910. The cubic root of 51576256 is about 372.2344843002.

The spelling of 51576256 in words is "fifty-one million, five hundred seventy-six thousand, two hundred fifty-six".