75405522550457 has 16 divisors (see below), whose sum is σ = 84204317102400. Its totient is φ = 66931849118400.

The previous prime is 75405522550429. The next prime is 75405522550487.

75405522550457 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 75405522550457 - 2¹⁴ = 75405522534073 is a prime.

It is a super-2 number, since 2×75405522550457² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75405522550427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27784082 + ... + 30377067.

It is an arithmetic number, because the mean of its divisors is an integer number (5262769818900).

Almost surely, 2^{75405522550457} is an apocalyptic number.

It is an amenable number.

75405522550457 is a deficient number, since it is larger than the sum of its proper divisors (8798794551943).

75405522550457 is a wasteful number, since it uses less digits than its factorization.

75405522550457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58163944.

The product of its (nonzero) digits is 49000000, while the sum is 56.

The spelling of 75405522550457 in words is "seventy-five trillion, four hundred five billion, five hundred twenty-two million, five hundred fifty thousand, four hundred fifty-seven".