51714621 has 24 divisors (see below), whose sum is σ = 86823360. Its totient is φ = 29048256.

The previous prime is 51714613. The next prime is 51714679. The reversal of 51714621 is 12641715.

It is a happy number.

51714621 is a `hidden beast` number, since 517 + 146 + 2 + 1 = 666.

51714621 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 51714621 - 2³ = 51714613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51714721) 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 23 ways as a sum of consecutive naturals, for example, 3240 + ... + 10673.

It is an arithmetic number, because the mean of its divisors is an integer number (3617640).

Almost surely, 2^51714621 is an apocalyptic number.

It is an amenable number.

51714621 is a deficient number, since it is larger than the sum of its proper divisors (35108739).

51714621 is a wasteful number, since it uses less digits than its factorization.

51714621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13985 (or 13982 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 51714621 is about 7191.2878540634. The cubic root of 51714621 is about 372.5670548775.

The spelling of 51714621 in words is "fifty-one million, seven hundred fourteen thousand, six hundred twenty-one".