52643677 has 2 divisors, whose sum is σ = 52643678. Its totient is φ = 52643676.

The previous prime is 52643651. The next prime is 52643683. The reversal of 52643677 is 77634625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36168196 + 16475481 = 6014^2 + 4059^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52643677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52643627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26321838 + 26321839.

It is an arithmetic number, because the mean of its divisors is an integer number (26321839).

Almost surely, 2^52643677 is an apocalyptic number.

It is an amenable number.

52643677 is a deficient number, since it is larger than the sum of its proper divisors (1).

52643677 is an equidigital number, since it uses as much as digits as its factorization.

52643677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 40.

The square root of 52643677 is about 7255.5962539270. The cubic root of 52643677 is about 374.7848887775.

The spelling of 52643677 in words is "fifty-two million, six hundred forty-three thousand, six hundred seventy-seven".