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53838888377 = 60189582177
BaseRepresentation
bin110010001001000011…
…000011110110111001
312010222010100220110212
4302021003003312321
51340230223412002
640422214120505
73614115000101
oct621103036671
9163863326425
1053838888377
112091871577a
12a526650135
1351001a1a01
14286a506201
1516018e3352
hexc890c3db9

53838888377 has 4 divisors (see below), whose sum is σ = 53928471156. Its totient is φ = 53749305600.

The previous prime is 53838888371. The next prime is 53838888407. The reversal of 53838888377 is 77388883835.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39777909136 + 14060979241 = 199444^2 + 118579^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53838888377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53838888371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44790488 + ... + 44791689.

It is an arithmetic number, because the mean of its divisors is an integer number (13482117789).

Almost surely, 253838888377 is an apocalyptic number.

It is an amenable number.

53838888377 is a deficient number, since it is larger than the sum of its proper divisors (89582779).

53838888377 is an equidigital number, since it uses as much as digits as its factorization.

53838888377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89582778.

The product of its digits is 216760320, while the sum is 68.

The spelling of 53838888377 in words is "fifty-three billion, eight hundred thirty-eight million, eight hundred eighty-eight thousand, three hundred seventy-seven".

Divisors: 1 601 89582177 53838888377