53007761 has 2 divisors, whose sum is σ = 53007762. Its totient is φ = 53007760.

The previous prime is 53007743. The next prime is 53007827. The reversal of 53007761 is 16770035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37945600 + 15062161 = 6160^2 + 3881^2 .

It is a cyclic number.

It is not a de Polignac number, because 53007761 - 2¹⁴ = 52991377 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (53007161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26503880 + 26503881.

It is an arithmetic number, because the mean of its divisors is an integer number (26503881).

Almost surely, 2^53007761 is an apocalyptic number.

It is an amenable number.

53007761 is a deficient number, since it is larger than the sum of its proper divisors (1).

53007761 is an equidigital number, since it uses as much as digits as its factorization.

53007761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 53007761 is about 7280.6428974370. The cubic root of 53007761 is about 375.6469094541.

Adding to 53007761 its reverse (16770035), we get a palindrome (69777796).

The spelling of 53007761 in words is "fifty-three million, seven thousand, seven hundred sixty-one".