56439396 has 96 divisors (see below), whose sum is σ = 160406400. Its totient is φ = 17055360.

The previous prime is 56439389. The next prime is 56439403. The reversal of 56439396 is 69393465.

It is a happy number.

56439396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56439389) and next prime (56439403).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 85315 + ... + 85973.

It is an arithmetic number, because the mean of its divisors is an integer number (1670900).

Almost surely, 2^56439396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56439396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80203200).

56439396 is an abundant number, since it is smaller than the sum of its proper divisors (103967004).

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

56439396 is a wasteful number, since it uses less digits than its factorization.

56439396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 738 counting only the distinct ones).

The product of its digits is 524880, while the sum is 45.

The square root of 56439396 is about 7512.6157894571. The cubic root of 56439396 is about 383.5842668707.

The spelling of 56439396 in words is "fifty-six million, four hundred thirty-nine thousand, three hundred ninety-six".