56220672 has 44 divisors (see below), whose sum is σ = 149856776. Its totient is φ = 18739200.

The previous prime is 56220643. The next prime is 56220673. The reversal of 56220672 is 27602265.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56220673) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6079 + ... + 12222.

Almost surely, 2^56220672 is an apocalyptic number.

It is an amenable number.

56220672 is an abundant number, since it is smaller than the sum of its proper divisors (93636104).

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

56220672 is a wasteful number, since it uses less digits than its factorization.

56220672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18324 (or 18306 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 56220672 is about 7498.0445450797. The cubic root of 56220672 is about 383.0881140335.

The spelling of 56220672 in words is "fifty-six million, two hundred twenty thousand, six hundred seventy-two".