56449986 has 8 divisors (see below), whose sum is σ = 112899984. Its totient is φ = 18816660.

The previous prime is 56449957. The next prime is 56450033. The reversal of 56449986 is 68994465.

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

56449986 is an admirable 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, 4704160 + ... + 4704171.

It is an arithmetic number, because the mean of its divisors is an integer number (14112498).

Almost surely, 2^56449986 is an apocalyptic number.

56449986 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.

56449986 is a wasteful number, since it uses less digits than its factorization.

56449986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9408336.

The product of its digits is 1866240, while the sum is 51.

The square root of 56449986 is about 7513.3205708262. The cubic root of 56449986 is about 383.6082566345.

The spelling of 56449986 in words is "fifty-six million, four hundred forty-nine thousand, nine hundred eighty-six".