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52557080 = 2354173439
BaseRepresentation
bin1100100001111…
…1010100011000
310122220011202112
43020133110120
5101423311310
65114251452
71205504432
oct310372430
9118804675
1052557080
1127737a04
1215726b88
13ab72284
146da1652
154932705
hex321f518

52557080 has 64 divisors (see below), whose sum is σ = 123076800. Its totient is φ = 20183040.

The previous prime is 52557073. The next prime is 52557101. The reversal of 52557080 is 8075525.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119501 + ... + 119939.

It is an arithmetic number, because the mean of its divisors is an integer number (1923075).

Almost surely, 252557080 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 52557080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61538400).

52557080 is an abundant number, since it is smaller than the sum of its proper divisors (70519720).

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

52557080 is a wasteful number, since it uses less digits than its factorization.

52557080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 52557080 is about 7249.6261972601. The cubic root of 52557080 is about 374.5792733326.

The spelling of 52557080 in words is "fifty-two million, five hundred fifty-seven thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 41 73 82 146 164 205 292 328 365 410 439 584 730 820 878 1460 1640 1756 2195 2920 2993 3512 4390 5986 8780 11972 14965 17560 17999 23944 29930 32047 35998 59860 64094 71996 89995 119720 128188 143992 160235 179990 256376 320470 359980 640940 719960 1281880 1313927 2627854 5255708 6569635 10511416 13139270 26278540 52557080