99554450 has 12 divisors (see below), whose sum is σ = 185171370. Its totient is φ = 39821760.

The previous prime is 99554447. The next prime is 99554459. The reversal of 99554450 is 5445599.

It can be written as a sum of positive squares in 3 ways, for example, as 88378801 + 11175649 = 9401^2 + 3343^2 .

It is a super-2 number, since 2×99554450² = 19822177029605000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99554398 and 99554407.

It is not an unprimeable number, because it can be changed into a prime (99554459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 995495 + ... + 995594.

Almost surely, 2^99554450 is an apocalyptic number.

99554450 is a deficient number, since it is larger than the sum of its proper divisors (85616920).

99554450 is a wasteful number, since it uses less digits than its factorization.

99554450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991101 (or 1991096 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 99554450 is about 9977.6976302151. The cubic root of 99554450 is about 463.4685037134.

The spelling of 99554450 in words is "ninety-nine million, five hundred fifty-four thousand, four hundred fifty".