52165657 has 2 divisors, whose sum is σ = 52165658. Its totient is φ = 52165656.

The previous prime is 52165651. The next prime is 52165681. The reversal of 52165657 is 75656125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44235801 + 7929856 = 6651^2 + 2816^2 .

It is a cyclic number.

It is not a de Polignac number, because 52165657 - 2³ = 52165649 is a prime.

It is not a weakly prime, because it can be changed into another prime (52165651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26082828 + 26082829.

It is an arithmetic number, because the mean of its divisors is an integer number (26082829).

Almost surely, 2^52165657 is an apocalyptic number.

It is an amenable number.

52165657 is a deficient number, since it is larger than the sum of its proper divisors (1).

52165657 is an equidigital number, since it uses as much as digits as its factorization.

52165657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63000, while the sum is 37.

The square root of 52165657 is about 7222.5796638043. The cubic root of 52165657 is about 373.6470523276.

The spelling of 52165657 in words is "fifty-two million, one hundred sixty-five thousand, six hundred fifty-seven".