56217248 has 12 divisors (see below), whose sum is σ = 110677770. Its totient is φ = 28108608.

The previous prime is 56217247. The next prime is 56217251. The reversal of 56217248 is 84271265.

56217248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 55771024 + 446224 = 7468^2 + 668^2 .

It is not an unprimeable number, because it can be changed into a prime (56217241) by changing a digit.

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 as a sum of consecutive naturals, namely, 878363 + ... + 878426.

Almost surely, 2^56217248 is an apocalyptic number.

It is an amenable number.

56217248 is a deficient number, since it is larger than the sum of its proper divisors (54460522).

56217248 is a wasteful number, since it uses less digits than its factorization.

56217248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756799 (or 1756791 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 56217248 is about 7497.8162154057. The cubic root of 56217248 is about 383.0803368211.

It can be divided in two parts, 56217 and 248, that added together give a palindrome (56465).

The spelling of 56217248 in words is "fifty-six million, two hundred seventeen thousand, two hundred forty-eight".