56559359 has 4 divisors (see below), whose sum is σ = 56585880. Its totient is φ = 56532840.

The previous prime is 56559353. The next prime is 56559361. The reversal of 56559359 is 95395565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95395565 = 5 ⋅19079113.

It is a cyclic number.

It is not a de Polignac number, because 56559359 - 2⁸ = 56559103 is a prime.

It is a super-2 number, since 2×56559359² = 6397922180981762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56559353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9752 + ... + 14429.

It is an arithmetic number, because the mean of its divisors is an integer number (14146470).

Almost surely, 2^56559359 is an apocalyptic number.

56559359 is a deficient number, since it is larger than the sum of its proper divisors (26521).

56559359 is a wasteful number, since it uses less digits than its factorization.

56559359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26520.

The product of its digits is 911250, while the sum is 47.

The square root of 56559359 is about 7520.5956546008. The cubic root of 56559359 is about 383.8558464087.

The spelling of 56559359 in words is "fifty-six million, five hundred fifty-nine thousand, three hundred fifty-nine".