56432020 has 12 divisors (see below), whose sum is σ = 118507284. Its totient is φ = 22572800.

The previous prime is 56432017. The next prime is 56432021. The reversal of 56432020 is 2023465.

It is a happy number.

56432020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 35473936 + 20958084 = 5956^2 + 4578^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56431982 and 56432000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56432021) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1410781 + ... + 1410820.

It is an arithmetic number, because the mean of its divisors is an integer number (9875607).

Almost surely, 2^56432020 is an apocalyptic number.

It is an amenable number.

56432020 is an abundant number, since it is smaller than the sum of its proper divisors (62075264).

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

56432020 is a wasteful number, since it uses less digits than its factorization.

56432020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821610 (or 2821608 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 56432020 is about 7512.1248658419. The cubic root of 56432020 is about 383.5675560799.

Adding to 56432020 its reverse (2023465), we get a palindrome (58455485).

The spelling of 56432020 in words is "fifty-six million, four hundred thirty-two thousand, twenty".