56212240 has 40 divisors (see below), whose sum is σ = 149365440. Its totient is φ = 19272576.

The previous prime is 56212229. The next prime is 56212243. The reversal of 56212240 is 4221265.

56212240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (56212243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49630 + ... + 50749.

It is an arithmetic number, because the mean of its divisors is an integer number (3734136).

Almost surely, 2^56212240 is an apocalyptic number.

It is an amenable number.

56212240 is an abundant number, since it is smaller than the sum of its proper divisors (93153200).

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

56212240 is a wasteful number, since it uses less digits than its factorization.

56212240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100399 (or 100393 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 56212240 is about 7497.4822440603. The cubic root of 56212240 is about 383.0689611705.

The spelling of 56212240 in words is "fifty-six million, two hundred twelve thousand, two hundred forty".