56113559 has 2 divisors, whose sum is σ = 56113560. Its totient is φ = 56113558.

The previous prime is 56113529. The next prime is 56113613. The reversal of 56113559 is 95531165.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56113559 - 2⁸ = 56113303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56113529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28056779 + 28056780.

It is an arithmetic number, because the mean of its divisors is an integer number (28056780).

Almost surely, 2^56113559 is an apocalyptic number.

56113559 is a deficient number, since it is larger than the sum of its proper divisors (1).

56113559 is an equidigital number, since it uses as much as digits as its factorization.

56113559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20250, while the sum is 35.

The square root of 56113559 is about 7490.8984107382. The cubic root of 56113559 is about 382.8446697463.

The spelling of 56113559 in words is "fifty-six million, one hundred thirteen thousand, five hundred fifty-nine".