56271424 has 56 divisors (see below), whose sum is σ = 123736608. Its totient is φ = 25175040.

The previous prime is 56271419. The next prime is 56271431. The reversal of 56271424 is 42417265.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46572 + ... + 47764.

Almost surely, 2^56271424 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 56271424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61868304).

56271424 is an abundant number, since it is smaller than the sum of its proper divisors (67465184).

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

56271424 is a wasteful number, since it uses less digits than its factorization.

56271424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283 (or 1273 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 56271424 is about 7501.4281306962. The cubic root of 56271424 is about 383.2033542099.

Adding to 56271424 its reverse (42417265), we get a palindrome (98688689).

The spelling of 56271424 in words is "fifty-six million, two hundred seventy-one thousand, four hundred twenty-four".