52959661 has 2 divisors, whose sum is σ = 52959662. Its totient is φ = 52959660.

The previous prime is 52959637. The next prime is 52959701. The reversal of 52959661 is 16695925.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27102436 + 25857225 = 5206^2 + 5085^2 .

It is a cyclic number.

It is not a de Polignac number, because 52959661 - 2⁹ = 52959149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52959611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26479830 + 26479831.

It is an arithmetic number, because the mean of its divisors is an integer number (26479831).

Almost surely, 2^52959661 is an apocalyptic number.

It is an amenable number.

52959661 is a deficient number, since it is larger than the sum of its proper divisors (1).

52959661 is an equidigital number, since it uses as much as digits as its factorization.

52959661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 43.

The square root of 52959661 is about 7277.3388680204. The cubic root of 52959661 is about 375.5332526109.

The spelling of 52959661 in words is "fifty-two million, nine hundred fifty-nine thousand, six hundred sixty-one".