56668044 has 24 divisors (see below), whose sum is σ = 137975040. Its totient is φ = 18067984.

The previous prime is 56668039. The next prime is 56668049. The reversal of 56668044 is 44086665.

56668044 is digitally balanced in base 2 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56668039) and next prime (56668049).

It is a super-2 number, since 2×56668044² = 6422534421571872, which contains 22 as substring.

56668044 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 56667993 and 56668011.

It is not an unprimeable number, because it can be changed into a prime (56668049) by changing a digit.

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, 102384 + ... + 102935.

It is an arithmetic number, because the mean of its divisors is an integer number (5748960).

Almost surely, 2^56668044 is an apocalyptic number.

It is an amenable number.

56668044 is an abundant number, since it is smaller than the sum of its proper divisors (81306996).

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

56668044 is a wasteful number, since it uses less digits than its factorization.

56668044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205349 (or 205347 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 56668044 is about 7527.8180105526. The cubic root of 56668044 is about 384.1015627624.

The spelling of 56668044 in words is "fifty-six million, six hundred sixty-eight thousand, forty-four".