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53552620 = 22511243421
BaseRepresentation
bin1100110001001…
…0010111101100
310201202202101101
43030102113230
5102202140440
65151452444
71220122042
oct314222754
9121682341
1053552620
1128257970
1215b27124
13b130454
147180392
154a7c69a
hex33125ec

53552620 has 24 divisors (see below), whose sum is σ = 122684688. Its totient is φ = 19473600.

The previous prime is 53552617. The next prime is 53552641. The reversal of 53552620 is 2625535.

53552620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 121491 + ... + 121930.

It is an arithmetic number, because the mean of its divisors is an integer number (5111862).

Almost surely, 253552620 is an apocalyptic number.

It is an amenable number.

53552620 is an abundant number, since it is smaller than the sum of its proper divisors (69132068).

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

53552620 is a wasteful number, since it uses less digits than its factorization.

53552620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243441 (or 243439 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 53552620 is about 7317.9655642808. The cubic root of 53552620 is about 376.9295977471.

The spelling of 53552620 in words is "fifty-three million, five hundred fifty-two thousand, six hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 243421 486842 973684 1217105 2434210 2677631 4868420 5355262 10710524 13388155 26776310 53552620