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56322420 = 223571173167
BaseRepresentation
bin1101011011011…
…0100101110100
310220222110211120
43112312211310
5103404304140
65331103540
71252506210
oct326664564
9126873746
1056322420
1129879960
1216a41bb0
13b89009b
1476a1940
154e281d0
hex35b6974

56322420 has 192 divisors, whose sum is σ = 200503296. Its totient is φ = 11473920.

The previous prime is 56322401. The next prime is 56322421. The reversal of 56322420 is 2422365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56322421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 337177 + ... + 337343.

It is an arithmetic number, because the mean of its divisors is an integer number (1044288).

Almost surely, 256322420 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 56322420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100251648).

56322420 is an abundant number, since it is smaller than the sum of its proper divisors (144180876).

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

56322420 is a wasteful number, since it uses less digits than its factorization.

56322420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 56322420 is about 7504.8264470273. The cubic root of 56322420 is about 383.3190786550.

Adding to 56322420 its reverse (2422365), we get a palindrome (58744785).

The spelling of 56322420 in words is "fifty-six million, three hundred twenty-two thousand, four hundred twenty".