56018611 has 8 divisors (see below), whose sum is σ = 61466544. Its totient is φ = 50629920.

The previous prime is 56018579. The next prime is 56018617. The reversal of 56018611 is 11681065.

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

It is not a de Polignac number, because 56018611 - 2⁵ = 56018579 is a prime.

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 56018611.

It is not an unprimeable number, because it can be changed into a prime (56018617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12816 + ... + 16621.

It is an arithmetic number, because the mean of its divisors is an integer number (7683318).

Almost surely, 2^56018611 is an apocalyptic number.

56018611 is a deficient number, since it is larger than the sum of its proper divisors (5447933).

56018611 is a wasteful number, since it uses less digits than its factorization.

56018611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29621.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 56018611 is about 7484.5581699924. The cubic root of 56018611 is about 382.6286146724.

Adding to 56018611 its reverse (11681065), we get a palindrome (67699676).

The spelling of 56018611 in words is "fifty-six million, eighteen thousand, six hundred eleven".