56211424 has 48 divisors (see below), whose sum is σ = 118540800. Its totient is φ = 26158464.

The previous prime is 56211383. The next prime is 56211427. The reversal of 56211424 is 42411265.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56211427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35089 + ... + 36655.

It is an arithmetic number, because the mean of its divisors is an integer number (2469600).

Almost surely, 2^56211424 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 56211424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59270400).

56211424 is an abundant number, since it is smaller than the sum of its proper divisors (62329376).

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

56211424 is a wasteful number, since it uses less digits than its factorization.

56211424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655 (or 1647 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 56211424 is about 7497.4278255946. The cubic root of 56211424 is about 383.0671075660.

Adding to 56211424 its reverse (42411265), we get a palindrome (98622689).

The spelling of 56211424 in words is "fifty-six million, two hundred eleven thousand, four hundred twenty-four".