55050609999 has 96 divisors (see below), whose sum is σ = 95704842240. Its totient is φ = 27522792000.

The previous prime is 55050609989. The next prime is 55050610001. The reversal of 55050609999 is 99990605055.

55050609999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55050609999 - 2⁴ = 55050609983 is a prime.

It is a super-2 number, since 2×55050609999² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55050609919) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15043432 + ... + 15047090.

It is an arithmetic number, because the mean of its divisors is an integer number (996925440).

Almost surely, 2^55050609999 is an apocalyptic number.

55050609999 is a deficient number, since it is larger than the sum of its proper divisors (40654232241).

55050609999 is a wasteful number, since it uses less digits than its factorization.

55050609999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3913 (or 3902 counting only the distinct ones).

The product of its (nonzero) digits is 4920750, while the sum is 57.

The spelling of 55050609999 in words is "fifty-five billion, fifty million, six hundred nine thousand, nine hundred ninety-nine".