75506028355 has 8 divisors (see below), whose sum is σ = 91698887952. Its totient is φ = 59677053408.

The previous prime is 75506028319. The next prime is 75506028359. The reversal of 75506028355 is 55382060557.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 75506028355 - 2⁹ = 75506027843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75506028359) 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, 90970704 + ... + 90971533.

It is an arithmetic number, because the mean of its divisors is an integer number (11462360994).

Almost surely, 2^75506028355 is an apocalyptic number.

75506028355 is a deficient number, since it is larger than the sum of its proper divisors (16192859597).

75506028355 is a wasteful number, since it uses less digits than its factorization.

75506028355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181942325.

The product of its (nonzero) digits is 1260000, while the sum is 46.

The spelling of 75506028355 in words is "seventy-five billion, five hundred six million, twenty-eight thousand, three hundred fifty-five".