56083389 has 4 divisors (see below), whose sum is σ = 74777856. Its totient is φ = 37388924.

The previous prime is 56083387. The next prime is 56083411. The reversal of 56083389 is 98338065.

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 56083389 - 2¹ = 56083387 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56083389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56083387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9347229 + ... + 9347234.

It is an arithmetic number, because the mean of its divisors is an integer number (18694464).

Almost surely, 2^56083389 is an apocalyptic number.

It is an amenable number.

56083389 is a deficient number, since it is larger than the sum of its proper divisors (18694467).

56083389 is a wasteful number, since it uses less digits than its factorization.

56083389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18694466.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 56083389 is about 7488.8843628407. The cubic root of 56083389 is about 382.7760440608.

The spelling of 56083389 in words is "fifty-six million, eighty-three thousand, three hundred eighty-nine".