52655500570861 has 2 divisors, whose sum is σ = 52655500570862. Its totient is φ = 52655500570860.

The previous prime is 52655500570837. The next prime is 52655500570867. The reversal of 52655500570861 is 16807500555625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46891419848361 + 5764080722500 = 6847731^2 + 2400850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52655500570861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52655500570867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26327750285430 + 26327750285431.

It is an arithmetic number, because the mean of its divisors is an integer number (26327750285431).

Almost surely, 2^{52655500570861} is an apocalyptic number.

It is an amenable number.

52655500570861 is a deficient number, since it is larger than the sum of its proper divisors (1).

52655500570861 is an equidigital number, since it uses as much as digits as its factorization.

52655500570861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600000, while the sum is 55.

The spelling of 52655500570861 in words is "fifty-two trillion, six hundred fifty-five billion, five hundred million, five hundred seventy thousand, eight hundred sixty-one".