75455855457 has 8 divisors (see below), whose sum is σ = 102257115840. Its totient is φ = 49479249360.

The previous prime is 75455855407. The next prime is 75455855543.

75455855457 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 75455855457 - 2⁷ = 75455855329 is a prime.

It is a super-2 number, since 2×75455855457² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75455855457.

It is not an unprimeable number, because it can be changed into a prime (75455855407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206163357 + ... + 206163722.

It is an arithmetic number, because the mean of its divisors is an integer number (12782139480).

Almost surely, 2^75455855457 is an apocalyptic number.

It is an amenable number.

75455855457 is a deficient number, since it is larger than the sum of its proper divisors (26801260383).

75455855457 is a wasteful number, since it uses less digits than its factorization.

75455855457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412327143.

The product of its digits is 98000000, while the sum is 60.

The spelling of 75455855457 in words is "seventy-five billion, four hundred fifty-five million, eight hundred fifty-five thousand, four hundred fifty-seven".