56861132 has 24 divisors (see below), whose sum is σ = 101606400. Its totient is φ = 27834896.

The previous prime is 56861111. The next prime is 56861149. The reversal of 56861132 is 23116865.

It is a happy number.

56861132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 112793 + ... + 113295.

It is an arithmetic number, because the mean of its divisors is an integer number (4233600).

Almost surely, 2^56861132 is an apocalyptic number.

It is an amenable number.

56861132 is a deficient number, since it is larger than the sum of its proper divisors (44745268).

56861132 is a wasteful number, since it uses less digits than its factorization.

56861132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045 (or 1043 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 56861132 is about 7540.6320689979. The cubic root of 56861132 is about 384.5373246753.

Adding to 56861132 its reverse (23116865), we get a palindrome (79977997).

The spelling of 56861132 in words is "fifty-six million, eight hundred sixty-one thousand, one hundred thirty-two".