53516761 has 2 divisors, whose sum is σ = 53516762. Its totient is φ = 53516760.

The previous prime is 53516753. The next prime is 53516779. The reversal of 53516761 is 16761535.

53516761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33131536 + 20385225 = 5756^2 + 4515^2 .

It is a cyclic number.

It is not a de Polignac number, because 53516761 - 2³ = 53516753 is a prime.

It is a super-2 number, since 2×53516761² = 5728087415862242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53516741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26758380 + 26758381.

It is an arithmetic number, because the mean of its divisors is an integer number (26758381).

Almost surely, 2^53516761 is an apocalyptic number.

It is an amenable number.

53516761 is a deficient number, since it is larger than the sum of its proper divisors (1).

53516761 is an equidigital number, since it uses as much as digits as its factorization.

53516761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 34.

The square root of 53516761 is about 7315.5150878117. The cubic root of 53516761 is about 376.8454478871.

The spelling of 53516761 in words is "fifty-three million, five hundred sixteen thousand, seven hundred sixty-one".