56831432 has 64 divisors (see below), whose sum is σ = 132403200. Its totient is φ = 22317120.

The previous prime is 56831419. The next prime is 56831447. The reversal of 56831432 is 23413865.

56831432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32123 + ... + 33845.

It is an arithmetic number, because the mean of its divisors is an integer number (2068800).

Almost surely, 2^56831432 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 56831432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66201600).

56831432 is an abundant number, since it is smaller than the sum of its proper divisors (75571768).

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

56831432 is a wasteful number, since it uses less digits than its factorization.

56831432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786 (or 1782 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 56831432 is about 7538.6624808384. The cubic root of 56831432 is about 384.4703618416.

The spelling of 56831432 in words is "fifty-six million, eight hundred thirty-one thousand, four hundred thirty-two".