53316577 has 2 divisors, whose sum is σ = 53316578. Its totient is φ = 53316576.

The previous prime is 53316563. The next prime is 53316581. The reversal of 53316577 is 77561335.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31404816 + 21911761 = 5604^2 + 4681^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53316577 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53316077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26658288 + 26658289.

It is an arithmetic number, because the mean of its divisors is an integer number (26658289).

Almost surely, 2^53316577 is an apocalyptic number.

It is an amenable number.

53316577 is a deficient number, since it is larger than the sum of its proper divisors (1).

53316577 is an equidigital number, since it uses as much as digits as its factorization.

53316577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 66150, while the sum is 37.

The square root of 53316577 is about 7301.8201155602. The cubic root of 53316577 is about 376.3749866398.

The spelling of 53316577 in words is "fifty-three million, three hundred sixteen thousand, five hundred seventy-seven".