56425439 has 8 divisors (see below), whose sum is σ = 64533120. Its totient is φ = 48329496.

The previous prime is 56425403. The next prime is 56425441. The reversal of 56425439 is 93452465.

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

It is a cyclic number.

It is not a de Polignac number, because 56425439 - 2¹⁶ = 56359903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56425469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13592 + ... + 17250.

It is an arithmetic number, because the mean of its divisors is an integer number (8066640).

Almost surely, 2^56425439 is an apocalyptic number.

56425439 is a deficient number, since it is larger than the sum of its proper divisors (8107681).

56425439 is a wasteful number, since it uses less digits than its factorization.

56425439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5869.

The product of its digits is 129600, while the sum is 38.

The square root of 56425439 is about 7511.6868278703. The cubic root of 56425439 is about 383.5526451823.

The spelling of 56425439 in words is "fifty-six million, four hundred twenty-five thousand, four hundred thirty-nine".