99996550 has 24 divisors (see below), whose sum is σ = 196936056. Its totient is φ = 37645440.

The previous prime is 99996521. The next prime is 99996551. The reversal of 99996550 is 5569999.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99996551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57972 + ... + 59671.

It is an arithmetic number, because the mean of its divisors is an integer number (8205669).

Almost surely, 2^99996550 is an apocalyptic number.

99996550 is a deficient number, since it is larger than the sum of its proper divisors (96939506).

99996550 is a wasteful number, since it uses less digits than its factorization.

99996550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117672 (or 117667 counting only the distinct ones).

The product of its (nonzero) digits is 984150, while the sum is 52.

The square root of 99996550 is about 9999.8274985122. The cubic root of 99996550 is about 464.1535454727.

The spelling of 99996550 in words is "ninety-nine million, nine hundred ninety-six thousand, five hundred fifty".