51893753 has 2 divisors, whose sum is σ = 51893754. Its totient is φ = 51893752.

The previous prime is 51893749. The next prime is 51893791. The reversal of 51893753 is 35739815.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37552384 + 14341369 = 6128^2 + 3787^2 .

It is a cyclic number.

It is not a de Polignac number, because 51893753 - 2² = 51893749 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51893753.

It is not a weakly prime, because it can be changed into another prime (51893713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25946876 + 25946877.

It is an arithmetic number, because the mean of its divisors is an integer number (25946877).

Almost surely, 2^51893753 is an apocalyptic number.

It is an amenable number.

51893753 is a deficient number, since it is larger than the sum of its proper divisors (1).

51893753 is an equidigital number, since it uses as much as digits as its factorization.

51893753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 41.

The square root of 51893753 is about 7203.7318800744. The cubic root of 51893753 is about 372.9967320210.

The spelling of 51893753 in words is "fifty-one million, eight hundred ninety-three thousand, seven hundred fifty-three".