56431841 has 4 divisors (see below), whose sum is σ = 56577300. Its totient is φ = 56286384.

The previous prime is 56431801. The next prime is 56431853. The reversal of 56431841 is 14813465.

56431841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14813465 = 5 ⋅2962693.

It can be written as a sum of positive squares in 2 ways, for example, as 21669025 + 34762816 = 4655^2 + 5896^2 .

It is a cyclic number.

It is not a de Polignac number, because 56431841 - 2⁶ = 56431777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56431798 and 56431807.

It is not an unprimeable number, because it can be changed into a prime (56431801) 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, 72146 + ... + 72923.

It is an arithmetic number, because the mean of its divisors is an integer number (14144325).

Almost surely, 2^56431841 is an apocalyptic number.

It is an amenable number.

56431841 is a deficient number, since it is larger than the sum of its proper divisors (145459).

56431841 is a wasteful number, since it uses less digits than its factorization.

56431841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145458.

The product of its digits is 11520, while the sum is 32.

The square root of 56431841 is about 7512.1129517600. The cubic root of 56431841 is about 383.5671505261.

The spelling of 56431841 in words is "fifty-six million, four hundred thirty-one thousand, eight hundred forty-one".