56516304 has 60 divisors (see below), whose sum is σ = 158117856. Its totient is φ = 17387136.

The previous prime is 56516297. The next prime is 56516311. The reversal of 56516304 is 40361565.

It is an interprime number because it is at equal distance from previous prime (56516297) and next prime (56516311).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4629 + ... + 11595.

Almost surely, 2^56516304 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 56516304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79058928).

56516304 is an abundant number, since it is smaller than the sum of its proper divisors (101601552).

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

56516304 is a wasteful number, since it uses less digits than its factorization.

56516304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7004 (or 6985 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 56516304 is about 7517.7326369059. The cubic root of 56516304 is about 383.7584200991.

Adding to 56516304 its reverse (40361565), we get a palindrome (96877869).

The spelling of 56516304 in words is "fifty-six million, five hundred sixteen thousand, three hundred four".