Search a number
-
+
55005050500 = 2253110010101
BaseRepresentation
bin110011001110100011…
…100111011010000100
312020222101201002011121
4303032203213122010
51400122243104000
641134033043324
73655035133501
oct631643473204
9166871632147
1055005050500
1121366a0a624
12a7b10b6544
13525797937a
14293b3484a8
15166de97b1a
hexcce8e7684

55005050500 has 24 divisors (see below), whose sum is σ = 120131031384. Its totient is φ = 22002020000.

The previous prime is 55005050497. The next prime is 55005050533. The reversal of 55005050500 is 505050055.

55005050500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 15075419524 + 39929630976 = 122782^2 + 199824^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55004551 + ... + 55005550.

It is an arithmetic number, because the mean of its divisors is an integer number (5005459641).

Almost surely, 255005050500 is an apocalyptic number.

55005050500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55005050500 is an abundant number, since it is smaller than the sum of its proper divisors (65125980884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55005050500 is a wasteful number, since it uses less digits than its factorization.

55005050500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110010120 (or 110010108 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 25.

The spelling of 55005050500 in words is "fifty-five billion, five million, fifty thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 110010101 220020202 440040404 550050505 1100101010 2200202020 2750252525 5500505050 11001010100 13751262625 27502525250 55005050500