56843520 has 144 divisors (see below), whose sum is σ = 184548672. Its totient is φ = 14909440.

The previous prime is 56843519. The next prime is 56843531. The reversal of 56843520 is 2534865.

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 15 ways as a sum of consecutive naturals, for example, 433855 + ... + 433985.

It is an arithmetic number, because the mean of its divisors is an integer number (1281588).

Almost surely, 2^56843520 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 56843520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92274336).

56843520 is an abundant number, since it is smaller than the sum of its proper divisors (127705152).

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

56843520 is a wasteful number, since it uses less digits than its factorization.

56843520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 56843520 is about 7539.4641719422. The cubic root of 56843520 is about 384.4976187551.

The spelling of 56843520 in words is "fifty-six million, eight hundred forty-three thousand, five hundred twenty".