53386481 has 2 divisors, whose sum is σ = 53386482. Its totient is φ = 53386480.

The previous prime is 53386453. The next prime is 53386483. The reversal of 53386481 is 18468335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34105600 + 19280881 = 5840^2 + 4391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53386481 is a prime.

It is a super-2 number, since 2×53386481² = 5700232707126722, which contains 22 as substring.

Together with 53386483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53386483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26693240 + 26693241.

It is an arithmetic number, because the mean of its divisors is an integer number (26693241).

Almost surely, 2^53386481 is an apocalyptic number.

It is an amenable number.

53386481 is a deficient number, since it is larger than the sum of its proper divisors (1).

53386481 is an equidigital number, since it uses as much as digits as its factorization.

53386481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 38.

The square root of 53386481 is about 7306.6052993165. The cubic root of 53386481 is about 376.5394047152.

The spelling of 53386481 in words is "fifty-three million, three hundred eighty-six thousand, four hundred eighty-one".