51351056 has 10 divisors (see below), whose sum is σ = 99492702. Its totient is φ = 25675520.

The previous prime is 51351043. The next prime is 51351077. The reversal of 51351056 is 65015315.

It can be written as a sum of positive squares in only one way, i.e., 43033600 + 8317456 = 6560^2 + 2884^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1604705 + ... + 1604736.

Almost surely, 2^51351056 is an apocalyptic number.

It is an amenable number.

51351056 is a deficient number, since it is larger than the sum of its proper divisors (48141646).

51351056 is a wasteful number, since it uses less digits than its factorization.

51351056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209449 (or 3209443 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 51351056 is about 7165.9651129488. The cubic root of 51351056 is about 371.6919251492.

The spelling of 51351056 in words is "fifty-one million, three hundred fifty-one thousand, fifty-six".