Search a number
-
+
550055554987 = 37137108513623
BaseRepresentation
bin10000000000100011101…
…11011010111110101011
31221120210022120100222111
420000101313122332223
533003003210224422
61100405251303151
754511614034111
oct10002167327653
91846708510874
10550055554987
111a2306025864
128a7305aaab7
133cb4056c473
141c8a1095ab1
15e4952eda77
hex8011ddafab

550055554987 has 8 divisors (see below), whose sum is σ = 569045444256. Its totient is φ = 531282693312.

The previous prime is 550055554957. The next prime is 550055555033. The reversal of 550055554987 is 789455550055.

550055554987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 550055554987 - 219 = 550055030699 is a prime.

It is a super-2 number, since 2×5500555549872 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550055554957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54251743 + ... + 54261880.

It is an arithmetic number, because the mean of its divisors is an integer number (71130680532).

Almost surely, 2550055554987 is an apocalyptic number.

550055554987 is a deficient number, since it is larger than the sum of its proper divisors (18989889269).

550055554987 is a wasteful number, since it uses less digits than its factorization.

550055554987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108513797.

The product of its (nonzero) digits is 31500000, while the sum is 58.

The spelling of 550055554987 in words is "five hundred fifty billion, fifty-five million, five hundred fifty-four thousand, nine hundred eighty-seven".

Divisors: 1 37 137 5069 108513623 4015004051 14866366351 550055554987