5578789 has 4 divisors (see below), whose sum is σ = 5633056. Its totient is φ = 5524524.

The previous prime is 5578763. The next prime is 5578813. The reversal of 5578789 is 9878755.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9878755 = 5 ⋅1975751.

It is a cyclic number.

It is not a de Polignac number, because 5578789 - 2⁵ = 5578757 is a prime.

It is a super-2 number, since 2×5578789² = 62245773413042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5578189) 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, 26979 + ... + 27184.

It is an arithmetic number, because the mean of its divisors is an integer number (1408264).

Almost surely, 2^5578789 is an apocalyptic number.

It is an amenable number.

5578789 is a deficient number, since it is larger than the sum of its proper divisors (54267).

5578789 is a wasteful number, since it uses less digits than its factorization.

5578789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54266.

The product of its digits is 705600, while the sum is 49.

The square root of 5578789 is about 2361.9460197049. The cubic root of 5578789 is about 177.3563103468.

The spelling of 5578789 in words is "five million, five hundred seventy-eight thousand, seven hundred eighty-nine".