6428553 has 8 divisors (see below), whose sum is σ = 8692416. Its totient is φ = 4225200.

The previous prime is 6428551. The next prime is 6428573. The reversal of 6428553 is 3558246.

6428553 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6428553 - 2¹ = 6428551 is a prime.

It is a d-powerful number, because it can be written as 6⁷ + 4⁴ + 2²² + 8² + 5⁴ + 5⁹ + 3⁵ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6428551) 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, 14878 + ... + 15303.

It is an arithmetic number, because the mean of its divisors is an integer number (1086552).

Almost surely, 2^6428553 is an apocalyptic number.

It is an amenable number.

6428553 is a deficient number, since it is larger than the sum of its proper divisors (2263863).

6428553 is a wasteful number, since it uses less digits than its factorization.

6428553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30255.

The product of its digits is 28800, while the sum is 33.

The square root of 6428553 is about 2535.4591300196. The cubic root of 6428553 is about 185.9392505967.

The spelling of 6428553 in words is "six million, four hundred twenty-eight thousand, five hundred fifty-three".