56427648 has 64 divisors (see below), whose sum is σ = 156427200. Its totient is φ = 17988608.

The previous prime is 56427647. The next prime is 56427667. The reversal of 56427648 is 84672465.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56427647) 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, 5638 + ... + 12026.

It is an arithmetic number, because the mean of its divisors is an integer number (2444175).

Almost surely, 2^56427648 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 56427648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78213600).

56427648 is an abundant number, since it is smaller than the sum of its proper divisors (99999552).

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

56427648 is a wasteful number, since it uses less digits than its factorization.

56427648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6429 (or 6417 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 56427648 is about 7511.8338639776. The cubic root of 56427648 is about 383.5576503522.

It can be divided in two parts, 56427 and 648, that added together give a palindrome (57075).

The spelling of 56427648 in words is "fifty-six million, four hundred twenty-seven thousand, six hundred forty-eight".