51256276 has 12 divisors (see below), whose sum is σ = 89751060. Its totient is φ = 25613120.

The previous prime is 51256229. The next prime is 51256277. The reversal of 51256276 is 67265215.

51256276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39187600 + 12068676 = 6260^2 + 3474^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51256277) 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, 8040 + ... + 12928.

It is an arithmetic number, because the mean of its divisors is an integer number (7479255).

Almost surely, 2^51256276 is an apocalyptic number.

It is an amenable number.

51256276 is a deficient number, since it is larger than the sum of its proper divisors (38494784).

51256276 is a wasteful number, since it uses less digits than its factorization.

51256276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7514 (or 7512 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 51256276 is about 7159.3488530732. The cubic root of 51256276 is about 371.4631037773.

The spelling of 51256276 in words is "fifty-one million, two hundred fifty-six thousand, two hundred seventy-six".