56449671 has 16 divisors (see below), whose sum is σ = 76200960. Its totient is φ = 37169280.

The previous prime is 56449663. The next prime is 56449691. The reversal of 56449671 is 17694465.

It is not a de Polignac number, because 56449671 - 2³ = 56449663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56449651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117610 + ... + 118088.

It is an arithmetic number, because the mean of its divisors is an integer number (4762560).

Almost surely, 2^56449671 is an apocalyptic number.

56449671 is a deficient number, since it is larger than the sum of its proper divisors (19751289).

56449671 is a wasteful number, since it uses less digits than its factorization.

56449671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886.

The product of its digits is 181440, while the sum is 42.

The square root of 56449671 is about 7513.2996080284. The cubic root of 56449671 is about 383.6075431013.

The spelling of 56449671 in words is "fifty-six million, four hundred forty-nine thousand, six hundred seventy-one".