53755321 has 2 divisors, whose sum is σ = 53755322. Its totient is φ = 53755320.

The previous prime is 53755319. The next prime is 53755337. The reversal of 53755321 is 12355735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51681721 + 2073600 = 7189^2 + 1440^2 .

It is a cyclic number.

It is not a de Polignac number, because 53755321 - 2¹ = 53755319 is a prime.

Together with 53755319, 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 (53755381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26877660 + 26877661.

It is an arithmetic number, because the mean of its divisors is an integer number (26877661).

Almost surely, 2^53755321 is an apocalyptic number.

It is an amenable number.

53755321 is a deficient number, since it is larger than the sum of its proper divisors (1).

53755321 is an equidigital number, since it uses as much as digits as its factorization.

53755321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15750, while the sum is 31.

The square root of 53755321 is about 7331.8020295150. The cubic root of 53755321 is about 377.4045686582.

The spelling of 53755321 in words is "fifty-three million, seven hundred fifty-five thousand, three hundred twenty-one".