55050959999 has 4 divisors (see below), whose sum is σ = 62915382864. Its totient is φ = 47186537136.

The previous prime is 55050959983. The next prime is 55050960017. The reversal of 55050959999 is 99995905055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55050959999 - 2⁴ = 55050959983 is a prime.

It is a super-2 number, since 2×55050959999² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55050959599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3932211422 + ... + 3932211435.

It is an arithmetic number, because the mean of its divisors is an integer number (15728845716).

Almost surely, 2^55050959999 is an apocalyptic number.

55050959999 is a deficient number, since it is larger than the sum of its proper divisors (7864422865).

55050959999 is an equidigital number, since it uses as much as digits as its factorization.

55050959999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7864422864.

The product of its (nonzero) digits is 36905625, while the sum is 65.

The spelling of 55050959999 in words is "fifty-five billion, fifty million, nine hundred fifty-nine thousand, nine hundred ninety-nine".