5055554991 has 8 divisors (see below), whose sum is σ = 6762005424. Its totient is φ = 3359737280.

The previous prime is 5055554981. The next prime is 5055555023. The reversal of 5055554991 is 1994555505.

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

It is a cyclic number.

It is not a de Polignac number, because 5055554991 - 2²² = 5051360687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5055554991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5055554981) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2657070 + ... + 2658971.

It is an arithmetic number, because the mean of its divisors is an integer number (845250678).

Almost surely, 2^5055554991 is an apocalyptic number.

5055554991 is a deficient number, since it is larger than the sum of its proper divisors (1706450433).

5055554991 is a wasteful number, since it uses less digits than its factorization.

5055554991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316361.

The product of its (nonzero) digits is 1012500, while the sum is 48.

The square root of 5055554991 is about 71102.4260556558. The cubic root of 5055554991 is about 1716.2858143065.

The spelling of 5055554991 in words is "five billion, fifty-five million, five hundred fifty-four thousand, nine hundred ninety-one".