56275439 has 8 divisors (see below), whose sum is σ = 62432640. Its totient is φ = 50291800.

The previous prime is 56275421. The next prime is 56275441. The reversal of 56275439 is 93457265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56275439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56275396 and 56275405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56275459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42707 + ... + 44004.

It is an arithmetic number, because the mean of its divisors is an integer number (7804080).

Almost surely, 2^56275439 is an apocalyptic number.

56275439 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

56275439 is a deficient number, since it is larger than the sum of its proper divisors (6157201).

56275439 is a wasteful number, since it uses less digits than its factorization.

56275439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86781.

The product of its digits is 226800, while the sum is 41.

The square root of 56275439 is about 7501.6957416307. The cubic root of 56275439 is about 383.2124679232.

The spelling of 56275439 in words is "fifty-six million, two hundred seventy-five thousand, four hundred thirty-nine".