75550105 has 8 divisors (see below), whose sum is σ = 91463112. Its totient is φ = 59904768.

The previous prime is 75550093. The next prime is 75550117. The reversal of 75550105 is 50105557.

It is an interprime number because it is at equal distance from previous prime (75550093) and next prime (75550117).

It can be written as a sum of positive squares in 4 ways, for example, as 6859161 + 68690944 = 2619^2 + 8288^2 .

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 75550105 - 2⁷ = 75549977 is a prime.

It is a super-2 number, since 2×75550105² = 11415636731022050, which contains 22 as substring.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 66294 + ... + 67423.

It is an arithmetic number, because the mean of its divisors is an integer number (11432889).

Almost surely, 2^75550105 is an apocalyptic number.

It is an amenable number.

75550105 is a deficient number, since it is larger than the sum of its proper divisors (15913007).

75550105 is a wasteful number, since it uses less digits than its factorization.

75550105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133835.

The product of its (nonzero) digits is 4375, while the sum is 28.

The square root of 75550105 is about 8691.9563390528. The cubic root of 75550105 is about 422.7448809730.

The spelling of 75550105 in words is "seventy-five million, five hundred fifty thousand, one hundred five".