53868361 has 2 divisors, whose sum is σ = 53868362. Its totient is φ = 53868360.

The previous prime is 53868349. The next prime is 53868391. The reversal of 53868361 is 16386835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36228361 + 17640000 = 6019^2 + 4200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53868361 is a prime.

It is not a weakly prime, because it can be changed into another prime (53868391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26934180 + 26934181.

It is an arithmetic number, because the mean of its divisors is an integer number (26934181).

Almost surely, 2^53868361 is an apocalyptic number.

It is an amenable number.

53868361 is a deficient number, since it is larger than the sum of its proper divisors (1).

53868361 is an equidigital number, since it uses as much as digits as its factorization.

53868361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 53868361 is about 7339.5068635434. The cubic root of 53868361 is about 377.6689266329.

The spelling of 53868361 in words is "fifty-three million, eight hundred sixty-eight thousand, three hundred sixty-one".