56775447 has 24 divisors (see below), whose sum is σ = 84481488. Its totient is φ = 36720000.

The previous prime is 56775443. The next prime is 56775451. The reversal of 56775447 is 74457765.

56775447 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 (56775443) and next prime (56775451).

It is not a de Polignac number, because 56775447 - 2² = 56775443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56775443) 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 23 ways as a sum of consecutive naturals, for example, 92313 + ... + 92925.

It is an arithmetic number, because the mean of its divisors is an integer number (3520062).

Almost surely, 2^56775447 is an apocalyptic number.

56775447 is a deficient number, since it is larger than the sum of its proper divisors (27706041).

56775447 is a wasteful number, since it uses less digits than its factorization.

56775447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911 (or 908 counting only the distinct ones).

The product of its digits is 823200, while the sum is 45.

The square root of 56775447 is about 7534.9483740766. The cubic root of 56775447 is about 384.3440723083.

The spelling of 56775447 in words is "fifty-six million, seven hundred seventy-five thousand, four hundred forty-seven".