56971449 has 24 divisors (see below), whose sum is σ = 84913920. Its totient is φ = 36789792.

The previous prime is 56971441. The next prime is 56971493. The reversal of 56971449 is 94417965.

56971449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56971449 - 2³ = 56971441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56971441) 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, 38872 + ... + 40310.

It is an arithmetic number, because the mean of its divisors is an integer number (3538080).

Almost surely, 2^56971449 is an apocalyptic number.

It is an amenable number.

56971449 is a deficient number, since it is larger than the sum of its proper divisors (27942471).

56971449 is a wasteful number, since it uses less digits than its factorization.

56971449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581 (or 1578 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 56971449 is about 7547.9433622676. The cubic root of 56971449 is about 384.7858459307.

The spelling of 56971449 in words is "fifty-six million, nine hundred seventy-one thousand, four hundred forty-nine".