56243559 has 8 divisors (see below), whose sum is σ = 75146112. Its totient is φ = 37418360.

The previous prime is 56243521. The next prime is 56243581. The reversal of 56243559 is 95534265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56243559 - 2¹³ = 56235367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56243519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17619 + ... + 20564.

It is an arithmetic number, because the mean of its divisors is an integer number (9393264).

Almost surely, 2^56243559 is an apocalyptic number.

56243559 is a deficient number, since it is larger than the sum of its proper divisors (18902553).

56243559 is a wasteful number, since it uses less digits than its factorization.

56243559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38677.

The product of its digits is 162000, while the sum is 39.

The square root of 56243559 is about 7499.5705877070. The cubic root of 56243559 is about 383.1400910487.

The spelling of 56243559 in words is "fifty-six million, two hundred forty-three thousand, five hundred fifty-nine".