56015411 has 4 divisors (see below), whose sum is σ = 56035392. Its totient is φ = 55995432.

The previous prime is 56015381. The next prime is 56015423. The reversal of 56015411 is 11451065.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11451065 = 5 ⋅2290213.

It is a cyclic number.

It is not a de Polignac number, because 56015411 - 2⁶ = 56015347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56015431) 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, 4931 + ... + 11676.

It is an arithmetic number, because the mean of its divisors is an integer number (14008848).

Almost surely, 2^56015411 is an apocalyptic number.

56015411 is a deficient number, since it is larger than the sum of its proper divisors (19981).

56015411 is a wasteful number, since it uses less digits than its factorization.

56015411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19980.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 56015411 is about 7484.3443934656. The cubic root of 56015411 is about 382.6213287909.

Adding to 56015411 its reverse (11451065), we get a palindrome (67466476).

The spelling of 56015411 in words is "fifty-six million, fifteen thousand, four hundred eleven".