56106686 has 4 divisors (see below), whose sum is σ = 84160032. Its totient is φ = 28053342.

The previous prime is 56106679. The next prime is 56106697. The reversal of 56106686 is 68660165.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14026670 + ... + 14026673.

It is an arithmetic number, because the mean of its divisors is an integer number (21040008).

Almost surely, 2^56106686 is an apocalyptic number.

56106686 is a deficient number, since it is larger than the sum of its proper divisors (28053346).

56106686 is a wasteful number, since it uses less digits than its factorization.

56106686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28053345.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 56106686 is about 7490.4396399677. The cubic root of 56106686 is about 382.8290383559.

The spelling of 56106686 in words is "fifty-six million, one hundred six thousand, six hundred eighty-six".