53895181 has 2 divisors, whose sum is σ = 53895182. Its totient is φ = 53895180.

The previous prime is 53895161. The next prime is 53895221. The reversal of 53895181 is 18159835.

It is an a-pointer prime, because the next prime (53895221) can be obtained adding 53895181 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53890281 + 4900 = 7341^2 + 70^2 .

It is a cyclic number.

It is not a de Polignac number, because 53895181 - 2⁷ = 53895053 is a prime.

It is a super-2 number, since 2×53895181² = 5809381070045522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53895131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26947590 + 26947591.

It is an arithmetic number, because the mean of its divisors is an integer number (26947591).

Almost surely, 2^53895181 is an apocalyptic number.

It is an amenable number.

53895181 is a deficient number, since it is larger than the sum of its proper divisors (1).

53895181 is an equidigital number, since it uses as much as digits as its factorization.

53895181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 40.

The square root of 53895181 is about 7341.3337344109. Note that the first 3 decimals coincide. The cubic root of 53895181 is about 377.7315942165.

The spelling of 53895181 in words is "fifty-three million, eight hundred ninety-five thousand, one hundred eighty-one".