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57539069084 = 2273241174017
BaseRepresentation
bin110101100101100110…
…001000010010011100
312111111222220120011202
4311211212020102130
51420320000202314
642233313535032
74104605006000
oct654546102234
9174458816152
1057539069084
1122447339262
12b199874478
13556c959953
142adbad2700
15176b6930de
hexd6598849c

57539069084 has 48 divisors (see below), whose sum is σ = 117914596800. Its totient is φ = 24557137920.

The previous prime is 57539069059. The next prime is 57539069087. The reversal of 57539069084 is 48096093575.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57539069087) 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, 243644 + ... + 417660.

It is an arithmetic number, because the mean of its divisors is an integer number (2456554100).

Almost surely, 257539069084 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 57539069084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58957298400).

57539069084 is an abundant number, since it is smaller than the sum of its proper divisors (60375527716).

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

57539069084 is a wasteful number, since it uses less digits than its factorization.

57539069084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174283 (or 174267 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 57539069084 in words is "fifty-seven billion, five hundred thirty-nine million, sixty-nine thousand, eighty-four".

Divisors: 1 2 4 7 14 28 49 98 196 241 343 482 686 964 1372 1687 3374 6748 11809 23618 47236 82663 165326 174017 330652 348034 696068 1218119 2436238 4872476 8526833 17053666 34107332 41938097 59687831 83876194 119375662 167752388 238751324 293566679 587133358 1174266716 2054966753 4109933506 8219867012 14384767271 28769534542 57539069084