56767447 has 4 divisors (see below), whose sum is σ = 61928136. Its totient is φ = 51606760.

The previous prime is 56767391. The next prime is 56767481. The reversal of 56767447 is 74476765.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56767447 - 2¹¹ = 56765399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56767397 and 56767406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56767547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2580328 + ... + 2580349.

It is an arithmetic number, because the mean of its divisors is an integer number (15482034).

Almost surely, 2^56767447 is an apocalyptic number.

56767447 is a deficient number, since it is larger than the sum of its proper divisors (5160689).

56767447 is a wasteful number, since it uses less digits than its factorization.

56767447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5160688.

The product of its digits is 987840, while the sum is 46.

The square root of 56767447 is about 7534.4174957325. The cubic root of 56767447 is about 384.3260193343.

The spelling of 56767447 in words is "fifty-six million, seven hundred sixty-seven thousand, four hundred forty-seven".