99550244 has 6 divisors (see below), whose sum is σ = 174212934. Its totient is φ = 49775120.

The previous prime is 99550237. The next prime is 99550247. The reversal of 99550244 is 44205599.

It can be written as a sum of positive squares in only one way, i.e., 86862400 + 12687844 = 9320^2 + 3562^2 .

It is a junction number, because it is equal to n+sod(n) for n = 99550198 and 99550207.

It is not an unprimeable number, because it can be changed into a prime (99550247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12443777 + ... + 12443784.

It is an arithmetic number, because the mean of its divisors is an integer number (29035489).

Almost surely, 2^99550244 is an apocalyptic number.

It is an amenable number.

99550244 is a deficient number, since it is larger than the sum of its proper divisors (74662690).

99550244 is a wasteful number, since it uses less digits than its factorization.

99550244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24887565 (or 24887563 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 99550244 is about 9977.4868579217. The cubic root of 99550244 is about 463.4619767124.

The spelling of 99550244 in words is "ninety-nine million, five hundred fifty thousand, two hundred forty-four".