56606686 has 4 divisors (see below), whose sum is σ = 84910032. Its totient is φ = 28303342.

The previous prime is 56606663. The next prime is 56606689. The reversal of 56606686 is 68660665.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56606689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14151670 + ... + 14151673.

It is an arithmetic number, because the mean of its divisors is an integer number (21227508).

Almost surely, 2^56606686 is an apocalyptic number.

56606686 is a deficient number, since it is larger than the sum of its proper divisors (28303346).

56606686 is a wasteful number, since it uses less digits than its factorization.

56606686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28303345.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 56606686 is about 7523.7414894453. The cubic root of 56606686 is about 383.9628825162.

The spelling of 56606686 in words is "fifty-six million, six hundred six thousand, six hundred eighty-six".