52178601657563 has 2 divisors, whose sum is σ = 52178601657564. Its totient is φ = 52178601657562.

The previous prime is 52178601657503. The next prime is 52178601657569. The reversal of 52178601657563 is 36575610687125.

52178601657563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52178601657563 - 2²⁰ = 52178600608987 is a prime.

It is a super-2 number, since 2×52178601657563² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52178601657496 and 52178601657505.

It is not a weakly prime, because it can be changed into another prime (52178601657569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26089300828781 + 26089300828782.

It is an arithmetic number, because the mean of its divisors is an integer number (26089300828782).

Almost surely, 2^{52178601657563} is an apocalyptic number.

52178601657563 is a deficient number, since it is larger than the sum of its proper divisors (1).

52178601657563 is an equidigital number, since it uses as much as digits as its factorization.

52178601657563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504000, while the sum is 62.

The spelling of 52178601657563 in words is "fifty-two trillion, one hundred seventy-eight billion, six hundred one million, six hundred fifty-seven thousand, five hundred sixty-three".