56704449 has 4 divisors (see below), whose sum is σ = 75605936. Its totient is φ = 37802964.

The previous prime is 56704447. The next prime is 56704457. The reversal of 56704449 is 94440765.

It is a happy number.

56704449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 56704449 - 2¹ = 56704447 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56704447) 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 3 ways as a sum of consecutive naturals, for example, 9450739 + ... + 9450744.

It is an arithmetic number, because the mean of its divisors is an integer number (18901484).

Almost surely, 2^56704449 is an apocalyptic number.

It is an amenable number.

56704449 is a deficient number, since it is larger than the sum of its proper divisors (18901487).

56704449 is a wasteful number, since it uses less digits than its factorization.

56704449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18901486.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 56704449 is about 7530.2356536831. The cubic root of 56704449 is about 384.1837973758.

The spelling of 56704449 in words is "fifty-six million, seven hundred four thousand, four hundred forty-nine".