56159232 has 88 divisors (see below), whose sum is σ = 152002032. Its totient is φ = 18432000.

The previous prime is 56159227. The next prime is 56159237. The reversal of 56159232 is 23295165.

It is an interprime number because it is at equal distance from previous prime (56159227) and next prime (56159237).

It is a junction number, because it is equal to n+sod(n) for n = 56159193 and 56159202.

It is not an unprimeable number, because it can be changed into a prime (56159237) 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, 310182 + ... + 310362.

Almost surely, 2^56159232 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 56159232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76001016).

56159232 is an abundant number, since it is smaller than the sum of its proper divisors (95842800).

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

56159232 is a wasteful number, since it uses less digits than its factorization.

56159232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 287 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 56159232 is about 7493.9463568937. The cubic root of 56159232 is about 382.9485122814.

The spelling of 56159232 in words is "fifty-six million, one hundred fifty-nine thousand, two hundred thirty-two".