51259256 has 16 divisors (see below), whose sum is σ = 96612000. Its totient is φ = 25496064.

The previous prime is 51259253. The next prime is 51259277. The reversal of 51259256 is 65295215.

51259256 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 2×51259256² = 5255022651347072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51259253) 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 3 ways as a sum of consecutive naturals, for example, 15056 + ... + 18143.

It is an arithmetic number, because the mean of its divisors is an integer number (6038250).

Almost surely, 2^51259256 is an apocalyptic number.

It is an amenable number.

51259256 is a deficient number, since it is larger than the sum of its proper divisors (45352744).

51259256 is a wasteful number, since it uses less digits than its factorization.

51259256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33398 (or 33394 counting only the distinct ones).

The product of its digits is 27000, while the sum is 35.

The square root of 51259256 is about 7159.5569695338. The cubic root of 51259256 is about 371.4703024963.

It can be divided in two parts, 51259 and 256, that added together give a palindrome (51515).

The spelling of 51259256 in words is "fifty-one million, two hundred fifty-nine thousand, two hundred fifty-six".