99555628 has 12 divisors (see below), whose sum is σ = 174325312. Its totient is φ = 49748400.

The previous prime is 99555623. The next prime is 99555629. The reversal of 99555628 is 82655599.

It is a super-2 number, since 2×99555628² = 19822646132948768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99555623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1426 + ... + 14182.

Almost surely, 2^99555628 is an apocalyptic number.

It is an amenable number.

99555628 is a deficient number, since it is larger than the sum of its proper divisors (74769684).

99555628 is a wasteful number, since it uses less digits than its factorization.

99555628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14712 (or 14710 counting only the distinct ones).

The product of its digits is 972000, while the sum is 49.

The square root of 99555628 is about 9977.7566616951. The cubic root of 99555628 is about 463.4703317373.

The spelling of 99555628 in words is "ninety-nine million, five hundred fifty-five thousand, six hundred twenty-eight".