53264381 has 2 divisors, whose sum is σ = 53264382. Its totient is φ = 53264380.

The previous prime is 53264369. The next prime is 53264411. The reversal of 53264381 is 18346235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41396356 + 11868025 = 6434^2 + 3445^2 .

It is a cyclic number.

It is not a de Polignac number, because 53264381 - 2⁶ = 53264317 is a prime.

It is a super-2 number, since 2×53264381² = 5674188566626322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53264681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26632190 + 26632191.

It is an arithmetic number, because the mean of its divisors is an integer number (26632191).

Almost surely, 2^53264381 is an apocalyptic number.

It is an amenable number.

53264381 is a deficient number, since it is larger than the sum of its proper divisors (1).

53264381 is an equidigital number, since it uses as much as digits as its factorization.

53264381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 53264381 is about 7298.2450630271. The cubic root of 53264381 is about 376.2521250197.

The spelling of 53264381 in words is "fifty-three million, two hundred sixty-four thousand, three hundred eighty-one".