56115804 has 12 divisors (see below), whose sum is σ = 130936904. Its totient is φ = 18705264.

The previous prime is 56115803. The next prime is 56115809. The reversal of 56115804 is 40851165.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56115803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2338147 + ... + 2338170.

Almost surely, 2^56115804 is an apocalyptic number.

It is an amenable number.

56115804 is an abundant number, since it is smaller than the sum of its proper divisors (74821100).

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

56115804 is a wasteful number, since it uses less digits than its factorization.

56115804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4676324 (or 4676322 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 56115804 is about 7491.0482577541. The cubic root of 56115804 is about 382.8497753146.

Adding to 56115804 its reverse (40851165), we get a palindrome (96966969).

The spelling of 56115804 in words is "fifty-six million, one hundred fifteen thousand, eight hundred four".