53254878163 has 2 divisors, whose sum is σ = 53254878164. Its totient is φ = 53254878162.

The previous prime is 53254878139. The next prime is 53254878191. The reversal of 53254878163 is 36187845235.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53254878163 - 2¹³ = 53254869971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53254878163.

It is not a weakly prime, because it can be changed into another prime (53254878133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26627439081 + 26627439082.

It is an arithmetic number, because the mean of its divisors is an integer number (26627439082).

Almost surely, 2^53254878163 is an apocalyptic number.

53254878163 is a deficient number, since it is larger than the sum of its proper divisors (1).

53254878163 is an equidigital number, since it uses as much as digits as its factorization.

53254878163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4838400, while the sum is 52.

The spelling of 53254878163 in words is "fifty-three billion, two hundred fifty-four million, eight hundred seventy-eight thousand, one hundred sixty-three".