56073133 has 2 divisors, whose sum is σ = 56073134. Its totient is φ = 56073132.

The previous prime is 56073131. The next prime is 56073137. The reversal of 56073133 is 33137065.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53260804 + 2812329 = 7298^2 + 1677^2 .

It is a cyclic number.

It is not a de Polignac number, because 56073133 - 2¹ = 56073131 is a prime.

Together with 56073131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56073131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28036566 + 28036567.

It is an arithmetic number, because the mean of its divisors is an integer number (28036567).

Almost surely, 2^56073133 is an apocalyptic number.

It is an amenable number.

56073133 is a deficient number, since it is larger than the sum of its proper divisors (1).

56073133 is an equidigital number, since it uses as much as digits as its factorization.

56073133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 28.

The square root of 56073133 is about 7488.1995833445. The cubic root of 56073133 is about 382.7527098169.

The spelling of 56073133 in words is "fifty-six million, seventy-three thousand, one hundred thirty-three".