56512611 has 12 divisors (see below), whose sum is σ = 81725592. Its totient is φ = 37630656.

The previous prime is 56512609. The next prime is 56512649. The reversal of 56512611 is 11621565.

It is a happy number.

56512611 is a `hidden beast` number, since 5 + 651 + 2 + 6 + 1 + 1 = 666.

56512611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56512611 - 2¹ = 56512609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56512711) 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 in 11 ways as a sum of consecutive naturals, for example, 5580 + ... + 12006.

It is an arithmetic number, because the mean of its divisors is an integer number (6810466).

Almost surely, 2^56512611 is an apocalyptic number.

56512611 is a deficient number, since it is larger than the sum of its proper divisors (25212981).

56512611 is a wasteful number, since it uses less digits than its factorization.

56512611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7410 (or 7407 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 56512611 is about 7517.4870136236. The cubic root of 56512611 is about 383.7500611501.

The spelling of 56512611 in words is "fifty-six million, five hundred twelve thousand, six hundred eleven".