56009686 has 8 divisors (see below), whose sum is σ = 84115584. Its totient is φ = 27971160.

The previous prime is 56009683. The next prime is 56009689. The reversal of 56009686 is 68690065.

It is an interprime number because it is at equal distance from previous prime (56009683) and next prime (56009689).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56009683) 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, 14710 + ... + 18121.

It is an arithmetic number, because the mean of its divisors is an integer number (10514448).

Almost surely, 2^56009686 is an apocalyptic number.

56009686 is a deficient number, since it is larger than the sum of its proper divisors (28105898).

56009686 is a wasteful number, since it uses less digits than its factorization.

56009686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33686.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 56009686 is about 7483.9619186631. The cubic root of 56009686 is about 382.6082932012.

The spelling of 56009686 in words is "fifty-six million, nine thousand, six hundred eighty-six".