53381297 has 2 divisors, whose sum is σ = 53381298. Its totient is φ = 53381296.

The previous prime is 53381281. The next prime is 53381329. The reversal of 53381297 is 79218335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43546801 + 9834496 = 6599^2 + 3136^2 .

It is a cyclic number.

It is not a de Polignac number, because 53381297 - 2⁴ = 53381281 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53381297.

It is not a weakly prime, because it can be changed into another prime (53387297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26690648 + 26690649.

It is an arithmetic number, because the mean of its divisors is an integer number (26690649).

Almost surely, 2^53381297 is an apocalyptic number.

It is an amenable number.

53381297 is a deficient number, since it is larger than the sum of its proper divisors (1).

53381297 is an equidigital number, since it uses as much as digits as its factorization.

53381297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 53381297 is about 7306.2505431993. The cubic root of 53381297 is about 376.5272165893.

The spelling of 53381297 in words is "fifty-three million, three hundred eighty-one thousand, two hundred ninety-seven".