5678551 has 8 divisors (see below), whose sum is σ = 5825024. Its totient is φ = 5533920.

The previous prime is 5678531. The next prime is 5678581. The reversal of 5678551 is 1558765.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5678551 - 2⁷ = 5678423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5678551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5678521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7381 + ... + 8113.

It is an arithmetic number, because the mean of its divisors is an integer number (728128).

Almost surely, 2^5678551 is an apocalyptic number.

5678551 is a deficient number, since it is larger than the sum of its proper divisors (146473).

5678551 is a wasteful number, since it uses less digits than its factorization.

5678551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921.

The product of its digits is 42000, while the sum is 37.

The square root of 5678551 is about 2382.9710447255. The cubic root of 5678551 is about 178.4072546099.

The spelling of 5678551 in words is "five million, six hundred seventy-eight thousand, five hundred fifty-one".