5678557 has 4 divisors (see below), whose sum is σ = 5693920. Its totient is φ = 5663196.

The previous prime is 5678531. The next prime is 5678581. The reversal of 5678557 is 7558765.

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 a de Polignac number, because none of the positive numbers 2^k-5678557 is a prime.

It is a Duffinian number.

5678557 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5678507) 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, 7113 + ... + 7870.

It is an arithmetic number, because the mean of its divisors is an integer number (1423480).

Almost surely, 2^5678557 is an apocalyptic number.

It is an amenable number.

5678557 is a deficient number, since it is larger than the sum of its proper divisors (15363).

5678557 is a wasteful number, since it uses less digits than its factorization.

5678557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15362.

The product of its digits is 294000, while the sum is 43.

The square root of 5678557 is about 2382.9723036578. The cubic root of 5678557 is about 178.4073174454.

The spelling of 5678557 in words is "five million, six hundred seventy-eight thousand, five hundred fifty-seven".