52719757 has 2 divisors, whose sum is σ = 52719758. Its totient is φ = 52719756.

The previous prime is 52719743. The next prime is 52719803. The reversal of 52719757 is 75791725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37711881 + 15007876 = 6141^2 + 3874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52719757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52719257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26359878 + 26359879.

It is an arithmetic number, because the mean of its divisors is an integer number (26359879).

Almost surely, 2^52719757 is an apocalyptic number.

It is an amenable number.

52719757 is a deficient number, since it is larger than the sum of its proper divisors (1).

52719757 is an equidigital number, since it uses as much as digits as its factorization.

52719757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 154350, while the sum is 43.

The square root of 52719757 is about 7260.8372106803. The cubic root of 52719757 is about 374.9653467238.

The spelling of 52719757 in words is "fifty-two million, seven hundred nineteen thousand, seven hundred fifty-seven".