56447712 has 96 divisors (see below), whose sum is σ = 166924800. Its totient is φ = 18555264.

The previous prime is 56447687. The next prime is 56447731. The reversal of 56447712 is 21774465.

56447712 is a `hidden beast` number, since 5 + 644 + 7 + 7 + 1 + 2 = 666.

56447712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 15 ways as a sum of consecutive naturals, for example, 67843 + ... + 68669.

It is an arithmetic number, because the mean of its divisors is an integer number (1738800).

Almost surely, 2^56447712 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 56447712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83462400).

56447712 is an abundant number, since it is smaller than the sum of its proper divisors (110477088).

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

56447712 is a wasteful number, since it uses less digits than its factorization.

56447712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925 (or 911 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 56447712 is about 7513.1692380779. The cubic root of 56447712 is about 383.6031055444.

The spelling of 56447712 in words is "fifty-six million, four hundred forty-seven thousand, seven hundred twelve".