99501053598 has 24 divisors (see below), whose sum is σ = 215653301136. Its totient is φ = 33156604800.

The previous prime is 99501053543. The next prime is 99501053599. The reversal of 99501053598 is 89535010599.

It is a happy number.

99501053598 is a `hidden beast` number, since 9 + 9 + 5 + 0 + 10 + 535 + 98 = 666.

It is a super-2 number, since 2×99501053598² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99501053599) 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, 808723 + ... + 923598.

It is an arithmetic number, because the mean of its divisors is an integer number (8985554214).

Almost surely, 2^99501053598 is an apocalyptic number.

99501053598 is an abundant number, since it is smaller than the sum of its proper divisors (116152247538).

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

99501053598 is a wasteful number, since it uses less digits than its factorization.

99501053598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735520 (or 1735517 counting only the distinct ones).

The product of its (nonzero) digits is 2187000, while the sum is 54.

The spelling of 99501053598 in words is "ninety-nine billion, five hundred one million, fifty-three thousand, five hundred ninety-eight".