53731757 has 2 divisors, whose sum is σ = 53731758. Its totient is φ = 53731756.

The previous prime is 53731739. The next prime is 53731759. The reversal of 53731757 is 75713735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48038761 + 5692996 = 6931^2 + 2386^2 .

It is a cyclic number.

It is not a de Polignac number, because 53731757 - 2¹⁸ = 53469613 is a prime.

Together with 53731759, 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 53731757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53731759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26865878 + 26865879.

It is an arithmetic number, because the mean of its divisors is an integer number (26865879).

Almost surely, 2^53731757 is an apocalyptic number.

It is an amenable number.

53731757 is a deficient number, since it is larger than the sum of its proper divisors (1).

53731757 is an equidigital number, since it uses as much as digits as its factorization.

53731757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77175, while the sum is 38.

The square root of 53731757 is about 7330.1948814476. The cubic root of 53731757 is about 377.3494146699.

The spelling of 53731757 in words is "fifty-three million, seven hundred thirty-one thousand, seven hundred fifty-seven".