56555411 has 4 divisors (see below), whose sum is σ = 61696824. Its totient is φ = 51414000.

The previous prime is 56555407. The next prime is 56555417. The reversal of 56555411 is 11455565.

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

It is not a de Polignac number, because 56555411 - 2² = 56555407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56555417) 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, 2570690 + ... + 2570711.

It is an arithmetic number, because the mean of its divisors is an integer number (15424206).

Almost surely, 2^56555411 is an apocalyptic number.

56555411 is a deficient number, since it is larger than the sum of its proper divisors (5141413).

56555411 is a wasteful number, since it uses less digits than its factorization.

56555411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5141412.

The product of its digits is 15000, while the sum is 32.

The square root of 56555411 is about 7520.3331708110. Note that the first 3 decimals coincide. The cubic root of 56555411 is about 383.8469148003.

It can be divided in two parts, 565554 and 11, that added together give a palindrome (565565).

The spelling of 56555411 in words is "fifty-six million, five hundred fifty-five thousand, four hundred eleven".