51714521 has 4 divisors (see below), whose sum is σ = 52031952. Its totient is φ = 51397092.

The previous prime is 51714499. The next prime is 51714529. The reversal of 51714521 is 12541715.

51714521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51714521 - 2¹⁴ = 51698137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51714529) 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, 158471 + ... + 158796.

It is an arithmetic number, because the mean of its divisors is an integer number (13007988).

Almost surely, 2^51714521 is an apocalyptic number.

It is an amenable number.

51714521 is a deficient number, since it is larger than the sum of its proper divisors (317431).

51714521 is a wasteful number, since it uses less digits than its factorization.

51714521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317430.

The product of its digits is 1400, while the sum is 26.

The square root of 51714521 is about 7191.2809012025. The cubic root of 51714521 is about 372.5668147343.

The spelling of 51714521 in words is "fifty-one million, seven hundred fourteen thousand, five hundred twenty-one".