99999999552 has 56 divisors (see below), whose sum is σ = 264673080000. Its totient is φ = 33322026496.

The previous prime is 99999999551. The next prime is 99999999557. The reversal of 99999999552 is 25599999999.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99999999551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488974 + ... + 662642.

It is an arithmetic number, because the mean of its divisors is an integer number (4726305000).

Almost surely, 2^99999999552 is an apocalyptic number.

It is an amenable number.

99999999552 is an abundant number, since it is smaller than the sum of its proper divisors (164673080448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99999999552 is a wasteful number, since it uses less digits than its factorization.

99999999552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176683 (or 176673 counting only the distinct ones).

The product of its digits is 2152336050, while the sum is 84.

The spelling of 99999999552 in words is "ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, five hundred fifty-two".