52908917 has 2 divisors, whose sum is σ = 52908918. Its totient is φ = 52908916.

The previous prime is 52908871. The next prime is 52908923. The reversal of 52908917 is 71980925.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46117681 + 6791236 = 6791^2 + 2606^2 .

It is a cyclic number.

It is not a de Polignac number, because 52908917 - 2¹⁶ = 52843381 is a prime.

It is a super-2 number, since 2×52908917² = 5598706996225778, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52908967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26454458 + 26454459.

It is an arithmetic number, because the mean of its divisors is an integer number (26454459).

Almost surely, 2^52908917 is an apocalyptic number.

It is an amenable number.

52908917 is a deficient number, since it is larger than the sum of its proper divisors (1).

52908917 is an equidigital number, since it uses as much as digits as its factorization.

52908917 is an odious number, because the sum of its binary digits is odd.

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

The square root of 52908917 is about 7273.8515932070. The cubic root of 52908917 is about 375.4132735644.

The spelling of 52908917 in words is "fifty-two million, nine hundred eight thousand, nine hundred seventeen".