75550089 has 4 divisors (see below), whose sum is σ = 100733456. Its totient is φ = 50366724.

The previous prime is 75550081. The next prime is 75550093. The reversal of 75550089 is 98005557.

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.

It is not a de Polignac number, because 75550089 - 2³ = 75550081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75550081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12591679 + ... + 12591684.

It is an arithmetic number, because the mean of its divisors is an integer number (25183364).

Almost surely, 2^75550089 is an apocalyptic number.

It is an amenable number.

75550089 is a deficient number, since it is larger than the sum of its proper divisors (25183367).

75550089 is a wasteful number, since it uses less digits than its factorization.

75550089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25183366.

The product of its (nonzero) digits is 63000, while the sum is 39.

The square root of 75550089 is about 8691.9554186616. The cubic root of 75550089 is about 422.7448511300.

The spelling of 75550089 in words is "seventy-five million, five hundred fifty thousand, eighty-nine".