56676447 has 6 divisors (see below), whose sum is σ = 81865992. Its totient is φ = 37784292.

The previous prime is 56676437. The next prime is 56676457. The reversal of 56676447 is 74467665.

It is a happy number.

56676447 is digitally balanced in base 2, because in such base 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 (56676437) and next prime (56676457).

It is not a de Polignac number, because 56676447 - 2¹⁵ = 56643679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56676427) 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 5 ways as a sum of consecutive naturals, for example, 3148683 + ... + 3148700.

It is an arithmetic number, because the mean of its divisors is an integer number (13644332).

Almost surely, 2^56676447 is an apocalyptic number.

56676447 is a deficient number, since it is larger than the sum of its proper divisors (25189545).

56676447 is a wasteful number, since it uses less digits than its factorization.

56676447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6297389 (or 6297386 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 56676447 is about 7528.3761197220. The cubic root of 56676447 is about 384.1205472769.

The spelling of 56676447 in words is "fifty-six million, six hundred seventy-six thousand, four hundred forty-seven".