56644149 has 24 divisors (see below), whose sum is σ = 80418432. Its totient is φ = 35458560.

The previous prime is 56644141. The next prime is 56644169. The reversal of 56644149 is 94144665.

It is not a de Polignac number, because 56644149 - 2³ = 56644141 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56644141) 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 23 ways as a sum of consecutive naturals, for example, 208884 + ... + 209154.

It is an arithmetic number, because the mean of its divisors is an integer number (3350768).

Almost surely, 2^56644149 is an apocalyptic number.

It is an amenable number.

56644149 is a deficient number, since it is larger than the sum of its proper divisors (23774283).

56644149 is a wasteful number, since it uses less digits than its factorization.

56644149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 486 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 56644149 is about 7526.2307299205. The cubic root of 56644149 is about 384.0475676208.

The spelling of 56644149 in words is "fifty-six million, six hundred forty-four thousand, one hundred forty-nine".