5538975 has 72 divisors (see below), whose sum is σ = 10892160. Its totient is φ = 2471040.

The previous prime is 5538947. The next prime is 5538989. The reversal of 5538975 is 5798355.

It is not a de Polignac number, because 5538975 - 2⁵ = 5538943 is a prime.

Its product of digits (189000) is a multiple of the sum of its prime divisors (63).

5538975 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 240814 + ... + 240836.

It is an arithmetic number, because the mean of its divisors is an integer number (151280).

Almost surely, 2^5538975 is an apocalyptic number.

5538975 is a deficient number, since it is larger than the sum of its proper divisors (5353185).

5538975 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (5538974) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (63).

5538975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 63 counting only the distinct ones).

The product of its digits is 189000, while the sum is 42.

The square root of 5538975 is about 2353.5027087301. The cubic root of 5538975 is about 176.9333912604.

The spelling of 5538975 in words is "five million, five hundred thirty-eight thousand, nine hundred seventy-five".