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52505050255 = 5710331452221
BaseRepresentation
bin110000111001100010…
…110111110010001111
312000112011111220112221
4300321202313302033
51330012243102010
640042005240211
73536060364160
oct607142676217
9160464456487
1052505050255
11202a3806419
12a213a03067
134c49a49a98
1427812d7767
15157476bdda
hexc398b7c8f

52505050255 has 16 divisors (see below), whose sum is σ = 72076682304. Its totient is φ = 35968584960.

The previous prime is 52505050253. The next prime is 52505050267. The reversal of 52505050255 is 55205050525.

It is not a de Polignac number, because 52505050255 - 21 = 52505050253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52505050255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52505050253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689956 + ... + 762265.

It is an arithmetic number, because the mean of its divisors is an integer number (4504792644).

Almost surely, 252505050255 is an apocalyptic number.

52505050255 is a deficient number, since it is larger than the sum of its proper divisors (19571632049).

52505050255 is a wasteful number, since it uses less digits than its factorization.

52505050255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453266.

The product of its (nonzero) digits is 62500, while the sum is 34.

It can be divided in two parts, 5250 and 5050255, that added together give a palindrome (5055505).

The spelling of 52505050255 in words is "fifty-two billion, five hundred five million, fifty thousand, two hundred fifty-five".

Divisors: 1 5 7 35 1033 5165 7231 36155 1452221 7261105 10165547 50827735 1500144293 7500721465 10501010051 52505050255