53397263 has 2 divisors, whose sum is σ = 53397264. Its totient is φ = 53397262.

The previous prime is 53397259. The next prime is 53397269. The reversal of 53397263 is 36279335.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53397263 - 2² = 53397259 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53397269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26698631 + 26698632.

It is an arithmetic number, because the mean of its divisors is an integer number (26698632).

Almost surely, 2^53397263 is an apocalyptic number.

53397263 is a deficient number, since it is larger than the sum of its proper divisors (1).

53397263 is an equidigital number, since it uses as much as digits as its factorization.

53397263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 38.

The square root of 53397263 is about 7307.3430876072. The cubic root of 53397263 is about 376.5647517975.

The spelling of 53397263 in words is "fifty-three million, three hundred ninety-seven thousand, two hundred sixty-three".