53857033 has 2 divisors, whose sum is σ = 53857034. Its totient is φ = 53857032.

The previous prime is 53856997. The next prime is 53857049. The reversal of 53857033 is 33075835.

It is a happy number.

53857033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28334329 + 25522704 = 5323^2 + 5052^2 .

It is a cyclic number.

It is not a de Polignac number, because 53857033 - 2⁹ = 53856521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53857033.

It is not a weakly prime, because it can be changed into another prime (53852033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26928516 + 26928517.

It is an arithmetic number, because the mean of its divisors is an integer number (26928517).

Almost surely, 2^53857033 is an apocalyptic number.

It is an amenable number.

53857033 is a deficient number, since it is larger than the sum of its proper divisors (1).

53857033 is an equidigital number, since it uses as much as digits as its factorization.

53857033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 53857033 is about 7338.7351089953. The cubic root of 53857033 is about 377.6424513918.

The spelling of 53857033 in words is "fifty-three million, eight hundred fifty-seven thousand, thirty-three".