56384161 has 4 divisors (see below), whose sum is σ = 57583872. Its totient is φ = 55184452.

The previous prime is 56384147. The next prime is 56384171. The reversal of 56384161 is 16148365.

It is a happy number.

56384161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56384161 - 2¹⁷ = 56253089 is a prime.

It is a super-2 number, since 2×56384161² = 6358347223347842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56384101) 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 3 ways as a sum of consecutive naturals, for example, 599785 + ... + 599878.

It is an arithmetic number, because the mean of its divisors is an integer number (14395968).

Almost surely, 2^56384161 is an apocalyptic number.

It is an amenable number.

56384161 is a deficient number, since it is larger than the sum of its proper divisors (1199711).

56384161 is a wasteful number, since it uses less digits than its factorization.

56384161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199710.

The product of its digits is 17280, while the sum is 34.

The square root of 56384161 is about 7508.9387399286. The cubic root of 56384161 is about 383.4590931211.

The spelling of 56384161 in words is "fifty-six million, three hundred eighty-four thousand, one hundred sixty-one".