56644614 has 48 divisors (see below), whose sum is σ = 134180592. Its totient is φ = 17164224.

The previous prime is 56644613. The next prime is 56644639. The reversal of 56644614 is 41644665.

56644614 is a `hidden beast` number, since 5 + 6 + 644 + 6 + 1 + 4 = 666.

It is a super-2 number, since 2×56644614² = 6417224590417992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56644613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13872 + ... + 17484.

It is an arithmetic number, because the mean of its divisors is an integer number (2795429).

Almost surely, 2^56644614 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56644614, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67090296).

56644614 is an abundant number, since it is smaller than the sum of its proper divisors (77535978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56644614 is a wasteful number, since it uses less digits than its factorization.

56644614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3701 (or 3698 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 56644614 is about 7526.2616218146. The cubic root of 56644614 is about 384.0486185186.

The spelling of 56644614 in words is "fifty-six million, six hundred forty-four thousand, six hundred fourteen".