75855538 has 16 divisors (see below), whose sum is σ = 124429536. Its totient is φ = 34395840.

The previous prime is 75855523. The next prime is 75855539. The reversal of 75855538 is 83555857.

It is not an unprimeable number, because it can be changed into a prime (75855539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5545 + ... + 13507.

It is an arithmetic number, because the mean of its divisors is an integer number (7776846).

Almost surely, 2^75855538 is an apocalyptic number.

75855538 is a deficient number, since it is larger than the sum of its proper divisors (48573998).

75855538 is a wasteful number, since it uses less digits than its factorization.

75855538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8409.

The product of its digits is 840000, while the sum is 46.

The square root of 75855538 is about 8709.5084821131. The cubic root of 75855538 is about 423.3138041845.

The spelling of 75855538 in words is "seventy-five million, eight hundred fifty-five thousand, five hundred thirty-eight".