56013733 has 2 divisors, whose sum is σ = 56013734. Its totient is φ = 56013732.

The previous prime is 56013709. The next prime is 56013743. The reversal of 56013733 is 33731065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29778849 + 26234884 = 5457^2 + 5122^2 .

It is a cyclic number.

It is not a de Polignac number, because 56013733 - 2⁵ = 56013701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56013743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28006866 + 28006867.

It is an arithmetic number, because the mean of its divisors is an integer number (28006867).

Almost surely, 2^56013733 is an apocalyptic number.

It is an amenable number.

56013733 is a deficient number, since it is larger than the sum of its proper divisors (1).

56013733 is an equidigital number, since it uses as much as digits as its factorization.

56013733 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 56013733 is about 7484.2322919589. The cubic root of 56013733 is about 382.6175081459.

Adding to 56013733 its reverse (33731065), we get a palindrome (89744798).

The spelling of 56013733 in words is "fifty-six million, thirteen thousand, seven hundred thirty-three".