56420444 has 12 divisors (see below), whose sum is σ = 98838768. Its totient is φ = 28180800.

The previous prime is 56420437. The next prime is 56420447. The reversal of 56420444 is 44402465.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56420447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2717 + ... + 10964.

It is an arithmetic number, because the mean of its divisors is an integer number (8236564).

Almost surely, 2^56420444 is an apocalyptic number.

It is an amenable number.

56420444 is a deficient number, since it is larger than the sum of its proper divisors (42418324).

56420444 is a wasteful number, since it uses less digits than its factorization.

56420444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14716 (or 14714 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 56420444 is about 7511.3543385997. The cubic root of 56420444 is about 383.5413269894.

The spelling of 56420444 in words is "fifty-six million, four hundred twenty thousand, four hundred forty-four".