99149553 has 12 divisors (see below), whose sum is σ = 143320320. Its totient is φ = 66051576.

The previous prime is 99149539. The next prime is 99149597. The reversal of 99149553 is 35594199.

It is a happy number.

99149553 is a `hidden beast` number, since 9 + 91 + 4 + 9 + 553 = 666.

It is not a de Polignac number, because 99149553 - 2⁴ = 99149537 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 99149499 and 99149508.

It is not an unprimeable number, because it can be changed into a prime (99149513) 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, 12700 + ... + 18962.

It is an arithmetic number, because the mean of its divisors is an integer number (11943360).

Almost surely, 2^99149553 is an apocalyptic number.

It is an amenable number.

99149553 is a deficient number, since it is larger than the sum of its proper divisors (44170767).

99149553 is a wasteful number, since it uses less digits than its factorization.

99149553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8028 (or 8025 counting only the distinct ones).

The product of its digits is 218700, while the sum is 45.

The square root of 99149553 is about 9957.3868559979. The cubic root of 99149553 is about 462.8393271198.

The spelling of 99149553 in words is "ninety-nine million, one hundred forty-nine thousand, five hundred fifty-three".