53210761 has 2 divisors, whose sum is σ = 53210762. Its totient is φ = 53210760.

The previous prime is 53210749. The next prime is 53210771. The reversal of 53210761 is 16701235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49970761 + 3240000 = 7069^2 + 1800^2 .

It is a cyclic number.

It is not a de Polignac number, because 53210761 - 2⁹ = 53210249 is a prime.

It is not a weakly prime, because it can be changed into another prime (53210701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26605380 + 26605381.

It is an arithmetic number, because the mean of its divisors is an integer number (26605381).

Almost surely, 2^53210761 is an apocalyptic number.

It is an amenable number.

53210761 is a deficient number, since it is larger than the sum of its proper divisors (1).

53210761 is an equidigital number, since it uses as much as digits as its factorization.

53210761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 53210761 is about 7294.5706522043. The cubic root of 53210761 is about 376.1258279075.

Adding to 53210761 its reverse (16701235), we get a palindrome (69911996).

The spelling of 53210761 in words is "fifty-three million, two hundred ten thousand, seven hundred sixty-one".