89550812 has 12 divisors (see below), whose sum is σ = 168768936. Its totient is φ = 41331120.

The previous prime is 89550787. The next prime is 89550817. The reversal of 89550812 is 21805598.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89550817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 861014 + ... + 861117.

It is an arithmetic number, because the mean of its divisors is an integer number (14064078).

Almost surely, 2^89550812 is an apocalyptic number.

It is an amenable number.

89550812 is a deficient number, since it is larger than the sum of its proper divisors (79218124).

89550812 is a wasteful number, since it uses less digits than its factorization.

89550812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722148 (or 1722146 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 89550812 is about 9463.1290808062. The cubic root of 89550812 is about 447.3936778087.

The spelling of 89550812 in words is "eighty-nine million, five hundred fifty thousand, eight hundred twelve".