56841389 has 4 divisors (see below), whose sum is σ = 62008800. Its totient is φ = 51673980.

The previous prime is 56841347. The next prime is 56841397. The reversal of 56841389 is 98314865.

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 56841389 - 2¹⁶ = 56775853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56841329) 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, 2583689 + ... + 2583710.

It is an arithmetic number, because the mean of its divisors is an integer number (15502200).

Almost surely, 2^56841389 is an apocalyptic number.

It is an amenable number.

56841389 is a deficient number, since it is larger than the sum of its proper divisors (5167411).

56841389 is a wasteful number, since it uses less digits than its factorization.

56841389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5167410.

The product of its digits is 207360, while the sum is 44.

The square root of 56841389 is about 7539.3228475772. The cubic root of 56841389 is about 384.4928138998.

The spelling of 56841389 in words is "fifty-six million, eight hundred forty-one thousand, three hundred eighty-nine".