56243113 has 2 divisors, whose sum is σ = 56243114. Its totient is φ = 56243112.

The previous prime is 56243101. The next prime is 56243149. The reversal of 56243113 is 31134265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41126569 + 15116544 = 6413^2 + 3888^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56243113 is a prime.

It is equal to p_3352048 and since 56243113 and 3352048 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (56243713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28121556 + 28121557.

It is an arithmetic number, because the mean of its divisors is an integer number (28121557).

Almost surely, 2^56243113 is an apocalyptic number.

It is an amenable number.

56243113 is a deficient number, since it is larger than the sum of its proper divisors (1).

56243113 is an equidigital number, since it uses as much as digits as its factorization.

56243113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 56243113 is about 7499.5408526122. The cubic root of 56243113 is about 383.1390783050.

Adding to 56243113 its reverse (31134265), we get a palindrome (87377378).

The spelling of 56243113 in words is "fifty-six million, two hundred forty-three thousand, one hundred thirteen".