56520611 has 8 divisors (see below), whose sum is σ = 67994880. Its totient is φ = 45896328.

The previous prime is 56520599. The next prime is 56520613. The reversal of 56520611 is 11602565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56520611 - 2⁶ = 56520547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56520613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212351 + ... + 212616.

It is an arithmetic number, because the mean of its divisors is an integer number (8499360).

Almost surely, 2^56520611 is an apocalyptic number.

56520611 is a deficient number, since it is larger than the sum of its proper divisors (11474269).

56520611 is a wasteful number, since it uses less digits than its factorization.

56520611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424993.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 56520611 is about 7518.0190874990. The cubic root of 56520611 is about 383.7681683512.

The spelling of 56520611 in words is "fifty-six million, five hundred twenty thousand, six hundred eleven".