56010013 has 2 divisors, whose sum is σ = 56010014. Its totient is φ = 56010012.

The previous prime is 56010011. The next prime is 56010023. The reversal of 56010013 is 31001065.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54804409 + 1205604 = 7403^2 + 1098^2 .

It is a cyclic number.

It is not a de Polignac number, because 56010013 - 2¹ = 56010011 is a prime.

Together with 56010011, 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 (56010011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28005006 + 28005007.

It is an arithmetic number, because the mean of its divisors is an integer number (28005007).

Almost surely, 2^56010013 is an apocalyptic number.

It is an amenable number.

56010013 is a deficient number, since it is larger than the sum of its proper divisors (1).

56010013 is an equidigital number, since it uses as much as digits as its factorization.

56010013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 56010013 is about 7483.9837653485. The cubic root of 56010013 is about 382.6090377907.

Adding to 56010013 its reverse (31001065), we get a palindrome (87011078).

The spelling of 56010013 in words is "fifty-six million, ten thousand, thirteen".