55011109898 has 8 divisors (see below), whose sum is σ = 84746845092. Its totient is φ = 26762161536.

The previous prime is 55011109873. The next prime is 55011109919. The reversal of 55011109898 is 89890111055.

It can be written as a sum of positive squares in 2 ways, for example, as 52131392329 + 2879717569 = 228323^2 + 53663^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×55011109898³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371696615 + ... + 371696762.

Almost surely, 2^55011109898 is an apocalyptic number.

55011109898 is a deficient number, since it is larger than the sum of its proper divisors (29735735194).

55011109898 is a wasteful number, since it uses less digits than its factorization.

55011109898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743393416.

The product of its (nonzero) digits is 129600, while the sum is 47.

The spelling of 55011109898 in words is "fifty-five billion, eleven million, one hundred nine thousand, eight hundred ninety-eight".