54163897 has 2 divisors, whose sum is σ = 54163898. Its totient is φ = 54163896.

The previous prime is 54163877. The next prime is 54163931. The reversal of 54163897 is 79836145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45846441 + 8317456 = 6771^2 + 2884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54163897 is a prime.

It is not a weakly prime, because it can be changed into another prime (54163817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27081948 + 27081949.

It is an arithmetic number, because the mean of its divisors is an integer number (27081949).

Almost surely, 2^54163897 is an apocalyptic number.

It is an amenable number.

54163897 is a deficient number, since it is larger than the sum of its proper divisors (1).

54163897 is an equidigital number, since it uses as much as digits as its factorization.

54163897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 54163897 is about 7359.6125577370. The cubic root of 54163897 is about 378.3583311102.

The spelling of 54163897 in words is "fifty-four million, one hundred sixty-three thousand, eight hundred ninety-seven".