56262220 has 48 divisors (see below), whose sum is σ = 136765440. Its totient is φ = 19041984.

The previous prime is 56262187. The next prime is 56262229. The reversal of 56262220 is 2226265.

It is not an unprimeable number, because it can be changed into a prime (56262229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8517 + ... + 13603.

It is an arithmetic number, because the mean of its divisors is an integer number (2849280).

Almost surely, 2^56262220 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 56262220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68382720).

56262220 is an abundant number, since it is smaller than the sum of its proper divisors (80503220).

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

56262220 is a wasteful number, since it uses less digits than its factorization.

56262220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5182 (or 5180 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 56262220 is about 7500.8146224260. The cubic root of 56262220 is about 383.1824602656.

Adding to 56262220 its reverse (2226265), we get a palindrome (58488485).

The spelling of 56262220 in words is "fifty-six million, two hundred sixty-two thousand, two hundred twenty".