51163456 has 28 divisors (see below), whose sum is σ = 102156768. Its totient is φ = 25423232.

The previous prime is 51163433. The next prime is 51163459. The reversal of 51163456 is 65436115.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51163459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8295 + ... + 13081.

It is an arithmetic number, because the mean of its divisors is an integer number (3648456).

Almost surely, 2^51163456 is an apocalyptic number.

It is an amenable number.

51163456 is a deficient number, since it is larger than the sum of its proper divisors (50993312).

51163456 is a wasteful number, since it uses less digits than its factorization.

51163456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4966 (or 4956 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 51163456 is about 7152.8634825502. The cubic root of 51163456 is about 371.2387407545.

The spelling of 51163456 in words is "fifty-one million, one hundred sixty-three thousand, four hundred fifty-six".