56146613 has 2 divisors, whose sum is σ = 56146614. Its totient is φ = 56146612.

The previous prime is 56146591. The next prime is 56146619. The reversal of 56146613 is 31664165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30724849 + 25421764 = 5543^2 + 5042^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56146613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56146613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56146619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28073306 + 28073307.

It is an arithmetic number, because the mean of its divisors is an integer number (28073307).

Almost surely, 2^56146613 is an apocalyptic number.

It is an amenable number.

56146613 is a deficient number, since it is larger than the sum of its proper divisors (1).

56146613 is an equidigital number, since it uses as much as digits as its factorization.

56146613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 32.

The square root of 56146613 is about 7493.1043633463. The cubic root of 56146613 is about 382.9198272425.

It can be divided in two parts, 561 and 46613, that added together give a palindrome (47174).

The spelling of 56146613 in words is "fifty-six million, one hundred forty-six thousand, six hundred thirteen".