56712449 has 4 divisors (see below), whose sum is σ = 56757936. Its totient is φ = 56666964.

The previous prime is 56712437. The next prime is 56712451. The reversal of 56712449 is 94421765.

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 a cyclic number.

It is not a de Polignac number, because 56712449 - 2⁸ = 56712193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56712479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20819 + ... + 23384.

It is an arithmetic number, because the mean of its divisors is an integer number (14189484).

Almost surely, 2^56712449 is an apocalyptic number.

It is an amenable number.

56712449 is a deficient number, since it is larger than the sum of its proper divisors (45487).

56712449 is a wasteful number, since it uses less digits than its factorization.

56712449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45486.

The product of its digits is 60480, while the sum is 38.

The square root of 56712449 is about 7530.7668268245. The cubic root of 56712449 is about 384.2018637175.

The spelling of 56712449 in words is "fifty-six million, seven hundred twelve thousand, four hundred forty-nine".