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54312757572 = 22319218716701
BaseRepresentation
bin110010100101010010…
…101110100101000100
312012012011000221210210
4302211102232211010
51342213031220242
640541222515420
73631630551663
oct624522564504
9165164027723
1054312757572
1121041154707
12a639295b70
135177407c98
1428b3418dda
15162d2e8d9c
hexca54ae944

54312757572 has 72 divisors (see below), whose sum is σ = 133842264192. Its totient is φ = 17139672000.

The previous prime is 54312757571. The next prime is 54312757573. The reversal of 54312757572 is 27575721345.

It is an interprime number because it is at equal distance from previous prime (54312757571) and next prime (54312757573).

It is not an unprimeable number, because it can be changed into a prime (54312757571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8101822 + ... + 8108522.

It is an arithmetic number, because the mean of its divisors is an integer number (1858920336).

Almost surely, 254312757572 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 54312757572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66921132096).

54312757572 is an abundant number, since it is smaller than the sum of its proper divisors (79529506620).

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

54312757572 is a wasteful number, since it uses less digits than its factorization.

54312757572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8617 (or 8596 counting only the distinct ones).

The product of its digits is 2058000, while the sum is 48.

The spelling of 54312757572 in words is "fifty-four billion, three hundred twelve million, seven hundred fifty-seven thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 361 722 1083 1444 1871 2166 3742 4332 5613 6701 7484 11226 13402 20103 22452 26804 35549 40206 71098 80412 106647 127319 142196 213294 254638 381957 426588 509276 675431 763914 1350862 1527828 2026293 2419061 2701724 4052586 4838122 7257183 8105172 9676244 12537571 14514366 25075142 29028732 37612713 50150284 75225426 150450852 238213849 476427698 714641547 952855396 1429283094 2858566188 4526063131 9052126262 13578189393 18104252524 27156378786 54312757572