56239916 has 6 divisors (see below), whose sum is σ = 98419860. Its totient is φ = 28119956.

The previous prime is 56239913. The next prime is 56239933. The reversal of 56239916 is 61993265.

56239916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (56239913) 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, 7029986 + ... + 7029993.

It is an arithmetic number, because the mean of its divisors is an integer number (16403310).

Almost surely, 2^56239916 is an apocalyptic number.

It is an amenable number.

56239916 is a deficient number, since it is larger than the sum of its proper divisors (42179944).

56239916 is a wasteful number, since it uses less digits than its factorization.

56239916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14059983 (or 14059981 counting only the distinct ones).

The product of its digits is 87480, while the sum is 41.

The square root of 56239916 is about 7499.3277032011. The cubic root of 56239916 is about 383.1318186379.

The spelling of 56239916 in words is "fifty-six million, two hundred thirty-nine thousand, nine hundred sixteen".