56002320 has 160 divisors (see below), whose sum is σ = 210522240. Its totient is φ = 13570560.

The previous prime is 56002319. The next prime is 56002339. The reversal of 56002320 is 2320065.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 56002293 and 56002302.

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 31 ways as a sum of consecutive naturals, for example, 22582 + ... + 24938.

It is an arithmetic number, because the mean of its divisors is an integer number (1315764).

Almost surely, 2^56002320 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 56002320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105261120).

56002320 is an abundant number, since it is smaller than the sum of its proper divisors (154519920).

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

56002320 is a wasteful number, since it uses less digits than its factorization.

56002320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390 (or 2378 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 56002320 is about 7483.4697834627. The cubic root of 56002320 is about 382.5915198153.

Adding to 56002320 its reverse (2320065), we get a palindrome (58322385).

The spelling of 56002320 in words is "fifty-six million, two thousand, three hundred twenty".