56387086 has 16 divisors (see below), whose sum is σ = 96759936. Its totient is φ = 24141816.

The previous prime is 56387069. The next prime is 56387137. The reversal of 56387086 is 68078365.

56387086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26805 + ... + 28831.

It is an arithmetic number, because the mean of its divisors is an integer number (6047496).

Almost surely, 2^56387086 is an apocalyptic number.

56387086 is a deficient number, since it is larger than the sum of its proper divisors (40372850).

56387086 is a wasteful number, since it uses less digits than its factorization.

56387086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4023.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 56387086 is about 7509.1335052721. The cubic root of 56387086 is about 383.4657238157.

The spelling of 56387086 in words is "fifty-six million, three hundred eighty-seven thousand, eighty-six".