51514747 has 4 divisors (see below), whose sum is σ = 52024896. Its totient is φ = 51004600.

The previous prime is 51514739. The next prime is 51514763. The reversal of 51514747 is 74741515.

51514747 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.

It is a cyclic number.

It is not a de Polignac number, because 51514747 - 2³ = 51514739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51514147) 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, 254923 + ... + 255124.

It is an arithmetic number, because the mean of its divisors is an integer number (13006224).

Almost surely, 2^51514747 is an apocalyptic number.

51514747 is a deficient number, since it is larger than the sum of its proper divisors (510149).

51514747 is a wasteful number, since it uses less digits than its factorization.

51514747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510148.

The product of its digits is 19600, while the sum is 34.

The square root of 51514747 is about 7177.3774458363. The cubic root of 51514747 is about 372.0864518501.

The spelling of 51514747 in words is "fifty-one million, five hundred fourteen thousand, seven hundred forty-seven".