56387441 has 4 divisors (see below), whose sum is σ = 61513584. Its totient is φ = 51261300.

The previous prime is 56387437. The next prime is 56387489. The reversal of 56387441 is 14478365.

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 56387441 - 2² = 56387437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56387395 and 56387404.

It is not an unprimeable number, because it can be changed into a prime (56387431) 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, 2563055 + ... + 2563076.

It is an arithmetic number, because the mean of its divisors is an integer number (15378396).

Almost surely, 2^56387441 is an apocalyptic number.

It is an amenable number.

56387441 is a deficient number, since it is larger than the sum of its proper divisors (5126143).

56387441 is a wasteful number, since it uses less digits than its factorization.

56387441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5126142.

The product of its digits is 80640, while the sum is 38.

The square root of 56387441 is about 7509.1571431153. The cubic root of 56387441 is about 383.4665285511.

The spelling of 56387441 in words is "fifty-six million, three hundred eighty-seven thousand, four hundred forty-one".