56438448 has 80 divisors (see below), whose sum is σ = 160406400. Its totient is φ = 16957440.

The previous prime is 56438443. The next prime is 56438461. The reversal of 56438448 is 84483465.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (56438443) 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, 73008 + ... + 73776.

It is an arithmetic number, because the mean of its divisors is an integer number (2005080).

Almost surely, 2^56438448 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 56438448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80203200).

56438448 is an abundant number, since it is smaller than the sum of its proper divisors (103967952).

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

56438448 is a wasteful number, since it uses less digits than its factorization.

56438448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930 (or 924 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The square root of 56438448 is about 7512.5526953227. The cubic root of 56438448 is about 383.5821191987.

The spelling of 56438448 in words is "fifty-six million, four hundred thirty-eight thousand, four hundred forty-eight".