56840344 has 32 divisors (see below), whose sum is σ = 117411840. Its totient is φ = 25581600.

The previous prime is 56840323. The next prime is 56840369. The reversal of 56840344 is 44304865.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5929 + ... + 12199.

It is an arithmetic number, because the mean of its divisors is an integer number (3669120).

Almost surely, 2^56840344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56840344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58705920).

56840344 is an abundant number, since it is smaller than the sum of its proper divisors (60571496).

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

56840344 is a wasteful number, since it uses less digits than its factorization.

56840344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6391 (or 6387 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 56840344 is about 7539.2535439525. The cubic root of 56840344 is about 384.4904576504.

The spelling of 56840344 in words is "fifty-six million, eight hundred forty thousand, three hundred forty-four".