Search a number
-
+
55284343999 = 211262011109
BaseRepresentation
bin110011011111001101…
…000010010010111111
312021200212020122211021
4303133031002102333
51401210243001444
641221451205011
73664666112323
oct633715022277
9167625218737
1055284343999
112149a6309a5
12a86a746767
1352a07a72b1
14296648b983
151688766584
hexcdf3424bf

55284343999 has 4 divisors (see below), whose sum is σ = 55546355320. Its totient is φ = 55022332680.

The previous prime is 55284343997. The next prime is 55284344041. The reversal of 55284343999 is 99934348255.

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 55284343999 - 21 = 55284343997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55284343991) 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, 131005344 + ... + 131005765.

It is an arithmetic number, because the mean of its divisors is an integer number (13886588830).

Almost surely, 255284343999 is an apocalyptic number.

55284343999 is a deficient number, since it is larger than the sum of its proper divisors (262011321).

55284343999 is a wasteful number, since it uses less digits than its factorization.

55284343999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262011320.

The product of its digits is 41990400, while the sum is 61.

The spelling of 55284343999 in words is "fifty-five billion, two hundred eighty-four million, three hundred forty-three thousand, nine hundred ninety-nine".

Divisors: 1 211 262011109 55284343999