52708991 has 2 divisors, whose sum is σ = 52708992. Its totient is φ = 52708990.

The previous prime is 52708973. The next prime is 52709011. The reversal of 52708991 is 19980725.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52708991 - 2¹⁸ = 52446847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52708961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26354495 + 26354496.

It is an arithmetic number, because the mean of its divisors is an integer number (26354496).

Almost surely, 2^52708991 is an apocalyptic number.

52708991 is a deficient number, since it is larger than the sum of its proper divisors (1).

52708991 is an equidigital number, since it uses as much as digits as its factorization.

52708991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 52708991 is about 7260.0957982660. The cubic root of 52708991 is about 374.9398208616.

The spelling of 52708991 in words is "fifty-two million, seven hundred eight thousand, nine hundred ninety-one".