56411918 has 8 divisors (see below), whose sum is σ = 85777248. Its totient is φ = 27819504.

The previous prime is 56411917. The next prime is 56411947. The reversal of 56411918 is 81911465.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56411917) 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, 193046 + ... + 193337.

It is an arithmetic number, because the mean of its divisors is an integer number (10722156).

Almost surely, 2^56411918 is an apocalyptic number.

56411918 is a deficient number, since it is larger than the sum of its proper divisors (29365330).

56411918 is a wasteful number, since it uses less digits than its factorization.

56411918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386458.

The product of its digits is 8640, while the sum is 35.

The square root of 56411918 is about 7510.7867763637. The cubic root of 56411918 is about 383.5220063446.

The spelling of 56411918 in words is "fifty-six million, four hundred eleven thousand, nine hundred eighteen".