99985552 has 20 divisors (see below), whose sum is σ = 198448236. Its totient is φ = 48773120.

The previous prime is 99985549. The next prime is 99985559. The reversal of 99985552 is 25558999.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5973136 + 94012416 = 2444^2 + 9696^2 .

It is a super-2 number, since 2×99985552² = 19994221217489408, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 99985552.

It is not an unprimeable number, because it can be changed into a prime (99985559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75553 + ... + 76864.

Almost surely, 2^99985552 is an apocalyptic number.

It is an amenable number.

99985552 is a deficient number, since it is larger than the sum of its proper divisors (98462684).

99985552 is a wasteful number, since it uses less digits than its factorization.

99985552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152466 (or 152460 counting only the distinct ones).

The product of its digits is 1458000, while the sum is 52.

The square root of 99985552 is about 9999.2775739050. The cubic root of 99985552 is about 464.1365283928.

The spelling of 99985552 in words is "ninety-nine million, nine hundred eighty-five thousand, five hundred fifty-two".