54695363189 has 2 divisors, whose sum is σ = 54695363190. Its totient is φ = 54695363188.

The previous prime is 54695363179. The next prime is 54695363221. The reversal of 54695363189 is 98136359645.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44651916100 + 10043447089 = 211310^2 + 100217^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54695363189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54695363179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27347681594 + 27347681595.

It is an arithmetic number, because the mean of its divisors is an integer number (27347681595).

Almost surely, 2^54695363189 is an apocalyptic number.

It is an amenable number.

54695363189 is a deficient number, since it is larger than the sum of its proper divisors (1).

54695363189 is an equidigital number, since it uses as much as digits as its factorization.

54695363189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20995200, while the sum is 59.

The spelling of 54695363189 in words is "fifty-four billion, six hundred ninety-five million, three hundred sixty-three thousand, one hundred eighty-nine".