56801886 has 8 divisors (see below), whose sum is σ = 113603784. Its totient is φ = 18933960.

The previous prime is 56801861. The next prime is 56801909. The reversal of 56801886 is 68810865.

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

56801886 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4733485 + ... + 4733496.

It is an arithmetic number, because the mean of its divisors is an integer number (14200473).

Almost surely, 2^56801886 is an apocalyptic number.

56801886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56801886 is a wasteful number, since it uses less digits than its factorization.

56801886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9466986.

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 56801886 is about 7536.7025946365. The cubic root of 56801886 is about 384.4037230700.

The spelling of 56801886 in words is "fifty-six million, eight hundred one thousand, eight hundred eighty-six".