52967857 has 2 divisors, whose sum is σ = 52967858. Its totient is φ = 52967856.

The previous prime is 52967821. The next prime is 52967867. The reversal of 52967857 is 75876925.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35628961 + 17338896 = 5969^2 + 4164^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52967857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52967857.

It is not a weakly prime, because it can be changed into another prime (52967867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26483928 + 26483929.

It is an arithmetic number, because the mean of its divisors is an integer number (26483929).

Almost surely, 2^52967857 is an apocalyptic number.

It is an amenable number.

52967857 is a deficient number, since it is larger than the sum of its proper divisors (1).

52967857 is an equidigital number, since it uses as much as digits as its factorization.

52967857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1058400, while the sum is 49.

The square root of 52967857 is about 7277.9019641652. The cubic root of 52967857 is about 375.5526240326.

It can be divided in two parts, 52967 and 857, that added together give a square (53824 = 232²).

The spelling of 52967857 in words is "fifty-two million, nine hundred sixty-seven thousand, eight hundred fifty-seven".