56426328 has 128 divisors (see below), whose sum is σ = 182131200. Its totient is φ = 15852672.

The previous prime is 56426323. The next prime is 56426329. The reversal of 56426328 is 82362465.

56426328 is a `hidden beast` number, since 5 + 642 + 6 + 3 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 56426292 and 56426301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56426323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101026 + ... + 101582.

It is an arithmetic number, because the mean of its divisors is an integer number (1422900).

Almost surely, 2^56426328 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 56426328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91065600).

56426328 is an abundant number, since it is smaller than the sum of its proper divisors (125704872).

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

56426328 is a wasteful number, since it uses less digits than its factorization.

56426328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 636 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 56426328 is about 7511.7460020957. The cubic root of 56426328 is about 383.5546595013.

The spelling of 56426328 in words is "fifty-six million, four hundred twenty-six thousand, three hundred twenty-eight".