53404933 has 2 divisors, whose sum is σ = 53404934. Its totient is φ = 53404932.

The previous prime is 53404931. The next prime is 53404943. The reversal of 53404933 is 33940435.

53404933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48902049 + 4502884 = 6993^2 + 2122^2 .

It is a cyclic number.

It is not a de Polignac number, because 53404933 - 2¹ = 53404931 is a prime.

Together with 53404931, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 53404895 and 53404904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53404931) 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, 26702466 + 26702467.

It is an arithmetic number, because the mean of its divisors is an integer number (26702467).

Almost surely, 2^53404933 is an apocalyptic number.

It is an amenable number.

53404933 is a deficient number, since it is larger than the sum of its proper divisors (1).

53404933 is an equidigital number, since it uses as much as digits as its factorization.

53404933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 53404933 is about 7307.8678833159. The cubic root of 53404933 is about 376.5827808949.

The spelling of 53404933 in words is "fifty-three million, four hundred four thousand, nine hundred thirty-three".