56242471 has 4 divisors (see below), whose sum is σ = 56350944. Its totient is φ = 56134000.

The previous prime is 56242421. The next prime is 56242493. The reversal of 56242471 is 17424265.

56242471 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.

It is a cyclic number.

It is not a de Polignac number, because 56242471 - 2⁷ = 56242343 is a prime.

It is a super-3 number, since 3×56242471³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56242421) 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, 53455 + ... + 54496.

It is an arithmetic number, because the mean of its divisors is an integer number (14087736).

Almost surely, 2^56242471 is an apocalyptic number.

56242471 is a deficient number, since it is larger than the sum of its proper divisors (108473).

56242471 is a wasteful number, since it uses less digits than its factorization.

56242471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108472.

The product of its digits is 13440, while the sum is 31.

The square root of 56242471 is about 7499.4980498697. The cubic root of 56242471 is about 383.1376204897.

The spelling of 56242471 in words is "fifty-six million, two hundred forty-two thousand, four hundred seventy-one".