56371224 has 128 divisors (see below), whose sum is σ = 177085440. Its totient is φ = 14556672.

The previous prime is 56371207. The next prime is 56371267. The reversal of 56371224 is 42217365.

It is a junction number, because it is equal to n+sod(n) for n = 56371191 and 56371200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115509 + ... + 115995.

It is an arithmetic number, because the mean of its divisors is an integer number (1383480).

Almost surely, 2^56371224 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 56371224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88542720).

56371224 is an abundant number, since it is smaller than the sum of its proper divisors (120714216).

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

56371224 is a wasteful number, since it uses less digits than its factorization.

56371224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 565 counting only the distinct ones).

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

The square root of 56371224 is about 7508.0772505349. The cubic root of 56371224 is about 383.4297634320.

Adding to 56371224 its reverse (42217365), we get a palindrome (98588589).

The spelling of 56371224 in words is "fifty-six million, three hundred seventy-one thousand, two hundred twenty-four".