6553959 has 8 divisors (see below), whose sum is σ = 9252720. Its totient is φ = 4112256.

The previous prime is 6553957. The next prime is 6553961. The reversal of 6553959 is 9593556.

It is an interprime number because it is at equal distance from previous prime (6553957) and next prime (6553961).

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

It is not a de Polignac number, because 6553959 - 2¹ = 6553957 is a prime.

6553959 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6553959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6553951) 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, 64204 + ... + 64305.

It is an arithmetic number, because the mean of its divisors is an integer number (1156590).

Almost surely, 2^6553959 is an apocalyptic number.

6553959 is a deficient number, since it is larger than the sum of its proper divisors (2698761).

6553959 is a wasteful number, since it uses less digits than its factorization.

6553959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128529.

The product of its digits is 182250, while the sum is 42.

The square root of 6553959 is about 2560.0701162273. The cubic root of 6553959 is about 187.1405522482.

The spelling of 6553959 in words is "six million, five hundred fifty-three thousand, nine hundred fifty-nine".