56010220 has 48 divisors (see below), whose sum is σ = 135717120. Its totient is φ = 19018944.

The previous prime is 56010217. The next prime is 56010239. The reversal of 56010220 is 2201065.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 56010194 and 56010203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13111 + ... + 16849.

It is an arithmetic number, because the mean of its divisors is an integer number (2827440).

Almost surely, 2^56010220 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 56010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67858560).

56010220 is an abundant number, since it is smaller than the sum of its proper divisors (79706900).

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

56010220 is a wasteful number, since it uses less digits than its factorization.

56010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862 (or 3860 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 56010220 is about 7483.9975948687. The cubic root of 56010220 is about 382.6095091348.

Adding to 56010220 its reverse (2201065), we get a palindrome (58211285).

The spelling of 56010220 in words is "fifty-six million, ten thousand, two hundred twenty".