99954549 has 12 divisors (see below), whose sum is σ = 145809612. Its totient is φ = 65976000.

The previous prime is 99954541. The next prime is 99954551. The reversal of 99954549 is 94545999.

99954549 is a `hidden beast` number, since 9 + 9 + 95 + 4 + 549 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 97416900 + 2537649 = 9870^2 + 1593^2 .

It is not a de Polignac number, because 99954549 - 2³ = 99954541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99954495 and 99954504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99954541) 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, 54072 + ... + 55889.

It is an arithmetic number, because the mean of its divisors is an integer number (12150801).

Almost surely, 2^99954549 is an apocalyptic number.

It is an amenable number.

99954549 is a deficient number, since it is larger than the sum of its proper divisors (45855063).

99954549 is a wasteful number, since it uses less digits than its factorization.

99954549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110068 (or 110065 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 54.

The square root of 99954549 is about 9997.7271917171. The cubic root of 99954549 is about 464.0885510866.

The spelling of 99954549 in words is "ninety-nine million, nine hundred fifty-four thousand, five hundred forty-nine".