56881446 has 12 divisors (see below), whose sum is σ = 113799852. Its totient is φ = 18954324.

The previous prime is 56881427. The next prime is 56881453. The reversal of 56881446 is 64418865.

It is a junction number, because it is equal to n+sod(n) for n = 56881398 and 56881407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16935 + ... + 20013.

It is an arithmetic number, because the mean of its divisors is an integer number (9483321).

Almost surely, 2^56881446 is an apocalyptic number.

56881446 is an abundant number, since it is smaller than the sum of its proper divisors (56918406).

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

56881446 is an frugal number, since it uses more digits than its factorization.

56881446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6163 (or 3084 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 56881446 is about 7541.9789180294. The cubic root of 56881446 is about 384.5831120224.

The spelling of 56881446 in words is "fifty-six million, eight hundred eighty-one thousand, four hundred forty-six".