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54254404424 = 23115325745263
BaseRepresentation
bin110010100001110100…
…001000001101001000
312012001002020022100002
4302201310020031020
51342103111420144
640531340102132
73630321554123
oct624164101510
9165032208302
1054254404424
1121011219070
12a621834948
1351682b67ac
1428a97893ba
15162811e14e
hexca1d08348

54254404424 has 64 divisors (see below), whose sum is σ = 113511248640. Its totient is φ = 24101109760.

The previous prime is 54254404423. The next prime is 54254404439. The reversal of 54254404424 is 42440445245.

It is not an unprimeable number, because it can be changed into a prime (54254404423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1176017 + ... + 1221279.

It is an arithmetic number, because the mean of its divisors is an integer number (1773613260).

Almost surely, 254254404424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54254404424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56755624320).

54254404424 is an abundant number, since it is smaller than the sum of its proper divisors (59256844216).

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

54254404424 is a wasteful number, since it uses less digits than its factorization.

54254404424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45590 (or 45586 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 38.

Adding to 54254404424 its reverse (42440445245), we get a palindrome (96694849669).

The spelling of 54254404424 in words is "fifty-four billion, two hundred fifty-four million, four hundred four thousand, four hundred twenty-four".

Divisors: 1 2 4 8 11 22 44 53 88 106 212 257 424 514 583 1028 1166 2056 2332 2827 4664 5654 11308 13621 22616 27242 45263 54484 90526 108968 149831 181052 299662 362104 497893 599324 995786 1198648 1991572 2398939 3983144 4797878 9595756 11632591 19191512 23265182 26388329 46530364 52776658 93060728 105553316 127958501 211106632 255917002 511834004 616527323 1023668008 1233054646 2466109292 4932218584 6781800553 13563601106 27127202212 54254404424