52717649 has 2 divisors, whose sum is σ = 52717650. Its totient is φ = 52717648.

The previous prime is 52717619. The next prime is 52717667. The reversal of 52717649 is 94671725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43138624 + 9579025 = 6568^2 + 3095^2 .

It is a cyclic number.

It is not a de Polignac number, because 52717649 - 2⁸ = 52717393 is a prime.

It is not a weakly prime, because it can be changed into another prime (52717619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26358824 + 26358825.

It is an arithmetic number, because the mean of its divisors is an integer number (26358825).

Almost surely, 2^52717649 is an apocalyptic number.

It is an amenable number.

52717649 is a deficient number, since it is larger than the sum of its proper divisors (1).

52717649 is an equidigital number, since it uses as much as digits as its factorization.

52717649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 41.

The square root of 52717649 is about 7260.6920469057. The cubic root of 52717649 is about 374.9603489928.

The spelling of 52717649 in words is "fifty-two million, seven hundred seventeen thousand, six hundred forty-nine".