56217323448 has 384 divisors, whose sum is σ = 184942517760. Its totient is φ = 15200640000.

The previous prime is 56217323447. The next prime is 56217323467. The reversal of 56217323448 is 84432371265.

56217323448 is a `hidden beast` number, since 562 + 17 + 3 + 2 + 34 + 48 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56217323447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 38743123 + ... + 38744573.

It is an arithmetic number, because the mean of its divisors is an integer number (481621140).

Almost surely, 2^56217323448 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 56217323448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92471258880).

56217323448 is an abundant number, since it is smaller than the sum of its proper divisors (128725194312).

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

56217323448 is a wasteful number, since it uses less digits than its factorization.

56217323448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611 (or 1604 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 56217323448 in words is "fifty-six billion, two hundred seventeen million, three hundred twenty-three thousand, four hundred forty-eight".