56608019 has 4 divisors (see below), whose sum is σ = 60962496. Its totient is φ = 52253544.

The previous prime is 56608009. The next prime is 56608031. The reversal of 56608019 is 91080665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56608019 is a prime.

It is a super-2 number, since 2×56608019² = 6408935630208722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56608019.

It is not an unprimeable number, because it can be changed into a prime (56608009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2177219 + ... + 2177244.

It is an arithmetic number, because the mean of its divisors is an integer number (15240624).

Almost surely, 2^56608019 is an apocalyptic number.

56608019 is a deficient number, since it is larger than the sum of its proper divisors (4354477).

56608019 is a wasteful number, since it uses less digits than its factorization.

56608019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4354476.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 56608019 is about 7523.8300751678. The cubic root of 56608019 is about 383.9658964034.

The spelling of 56608019 in words is "fifty-six million, six hundred eight thousand, nineteen".