56398944 has 192 divisors, whose sum is σ = 182891520. Its totient is φ = 14868480.

The previous prime is 56398913. The next prime is 56398949. The reversal of 56398944 is 44989365.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 56398893 and 56398902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56398949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 633652 + ... + 633740.

It is an arithmetic number, because the mean of its divisors is an integer number (952560).

Almost surely, 2^56398944 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 56398944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91445760).

56398944 is an abundant number, since it is smaller than the sum of its proper divisors (126492576).

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

56398944 is a wasteful number, since it uses less digits than its factorization.

56398944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 165 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 56398944 is about 7509.9230355577. The cubic root of 56398944 is about 383.4926024160.

The spelling of 56398944 in words is "fifty-six million, three hundred ninety-eight thousand, nine hundred forty-four".