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52555552 = 257231012
BaseRepresentation
bin1100100001111…
…0111100100000
310122220002122221
43020132330200
5101423234202
65114240424
71205500120
oct310367440
9118802587
1052555552
1127736845
1215726114
13ab7167a
146da0c80
154932037
hex321ef20

52555552 has 72 divisors (see below), whose sum is σ = 124625088. Its totient is φ = 21331200.

The previous prime is 52555543. The next prime is 52555583. The reversal of 52555552 is 25555525.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 520302 + ... + 520402.

It is an arithmetic number, because the mean of its divisors is an integer number (1730904).

Almost surely, 252555552 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 52555552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62312544).

52555552 is an abundant number, since it is smaller than the sum of its proper divisors (72069536).

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

52555552 is a wasteful number, since it uses less digits than its factorization.

52555552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 133 counting only the distinct ones).

The product of its digits is 62500, while the sum is 34.

The square root of 52555552 is about 7249.5208117502. The cubic root of 52555552 is about 374.5756432306.

The spelling of 52555552 in words is "fifty-two million, five hundred fifty-five thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 23 28 32 46 56 92 101 112 161 184 202 224 322 368 404 644 707 736 808 1288 1414 1616 2323 2576 2828 3232 4646 5152 5656 9292 10201 11312 16261 18584 20402 22624 32522 37168 40804 65044 71407 74336 81608 130088 142814 163216 234623 260176 285628 326432 469246 520352 571256 938492 1142512 1642361 1876984 2285024 3284722 3753968 6569444 7507936 13138888 26277776 52555552