89555039 has 4 divisors (see below), whose sum is σ = 102348624. Its totient is φ = 76761456.

The previous prime is 89555033. The next prime is 89555057. The reversal of 89555039 is 93055598.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89555039 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89555033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6396782 + ... + 6396795.

It is an arithmetic number, because the mean of its divisors is an integer number (25587156).

Almost surely, 2^89555039 is an apocalyptic number.

89555039 is a deficient number, since it is larger than the sum of its proper divisors (12793585).

89555039 is a wasteful number, since it uses less digits than its factorization.

89555039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12793584.

The product of its (nonzero) digits is 243000, while the sum is 44.

The square root of 89555039 is about 9463.3524186728. The cubic root of 89555039 is about 447.4007170277.

The spelling of 89555039 in words is "eighty-nine million, five hundred fifty-five thousand, thirty-nine".