56016424 has 8 divisors (see below), whose sum is σ = 105030810. Its totient is φ = 28008208.

The previous prime is 56016421. The next prime is 56016437. The reversal of 56016424 is 42461065.

It can be written as a sum of positive squares in only one way, i.e., 55980324 + 36100 = 7482^2 + 190^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 56016392 and 56016401.

It is not an unprimeable number, because it can be changed into a prime (56016421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3501019 + ... + 3501034.

Almost surely, 2^56016424 is an apocalyptic number.

It is an amenable number.

56016424 is a deficient number, since it is larger than the sum of its proper divisors (49014386).

56016424 is a wasteful number, since it uses less digits than its factorization.

56016424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7002059 (or 7002055 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 56016424 is about 7484.4120677579. The cubic root of 56016424 is about 382.6236352578.

Adding to 56016424 its reverse (42461065), we get a palindrome (98477489).

The spelling of 56016424 in words is "fifty-six million, sixteen thousand, four hundred twenty-four".