75055269 has 4 divisors (see below), whose sum is σ = 100073696. Its totient is φ = 50036844.

The previous prime is 75055259. The next prime is 75055273. The reversal of 75055269 is 96255057.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96255057 = 3 ⋅32085019.

It is not a de Polignac number, because 75055269 - 2⁹ = 75054757 is a prime.

It is a super-2 number, since 2×75055269² = 11266586809324722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75055229) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12509209 + ... + 12509214.

It is an arithmetic number, because the mean of its divisors is an integer number (25018424).

Almost surely, 2^75055269 is an apocalyptic number.

It is an amenable number.

75055269 is a deficient number, since it is larger than the sum of its proper divisors (25018427).

75055269 is a wasteful number, since it uses less digits than its factorization.

75055269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25018426.

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 75055269 is about 8663.4444073936. Note that the first 4 decimals coincide. The cubic root of 75055269 is about 421.8198976153.

The spelling of 75055269 in words is "seventy-five million, fifty-five thousand, two hundred sixty-nine".