51974463 has 16 divisors (see below), whose sum is σ = 70479360. Its totient is φ = 34065024.

The previous prime is 51974459. The next prime is 51974473. The reversal of 51974463 is 36447915.

51974463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51974463 - 2² = 51974459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51974413) 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 15 ways as a sum of consecutive naturals, for example, 46570 + ... + 47672.

It is an arithmetic number, because the mean of its divisors is an integer number (4404960).

Almost surely, 2^51974463 is an apocalyptic number.

51974463 is a deficient number, since it is larger than the sum of its proper divisors (18504897).

51974463 is a wasteful number, since it uses less digits than its factorization.

51974463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358.

The product of its digits is 90720, while the sum is 39.

The square root of 51974463 is about 7209.3316611181. The cubic root of 51974463 is about 373.1900049478.

The spelling of 51974463 in words is "fifty-one million, nine hundred seventy-four thousand, four hundred sixty-three".