51752747 has 2 divisors, whose sum is σ = 51752748. Its totient is φ = 51752746.

The previous prime is 51752719. The next prime is 51752749. The reversal of 51752747 is 74725715.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51752747 is a prime.

Together with 51752749, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51752747.

It is not a weakly prime, because it can be changed into another prime (51752749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25876373 + 25876374.

It is an arithmetic number, because the mean of its divisors is an integer number (25876374).

Almost surely, 2^51752747 is an apocalyptic number.

51752747 is a deficient number, since it is larger than the sum of its proper divisors (1).

51752747 is an equidigital number, since it uses as much as digits as its factorization.

51752747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68600, while the sum is 38.

The square root of 51752747 is about 7193.9382121339. The cubic root of 51752747 is about 372.6585892894.

The spelling of 51752747 in words is "fifty-one million, seven hundred fifty-two thousand, seven hundred forty-seven".