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57553250 = 253230213
BaseRepresentation
bin1101101110001…
…1000101100010
311000022000012212
43123203011202
5104213201000
65413322122
71266123506
oct333430542
9130260185
1057553250
112a53a677
1217336342
13bc013a1
147902306
1550bcc35
hex36e3162

57553250 has 16 divisors (see below), whose sum is σ = 107740152. Its totient is φ = 23021200.

The previous prime is 57553247. The next prime is 57553259. The reversal of 57553250 is 5235575.

57553250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 21780889 + 35772361 = 4667^2 + 5981^2 .

It is not an unprimeable number, because it can be changed into a prime (57553259) by changing a digit.

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, 114857 + ... + 115356.

Almost surely, 257553250 is an apocalyptic number.

57553250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57553250 is a deficient number, since it is larger than the sum of its proper divisors (50186902).

57553250 is a wasteful number, since it uses less digits than its factorization.

57553250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230230 (or 230220 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 32.

The square root of 57553250 is about 7586.3858325292. The cubic root of 57553250 is about 386.0912426254.

The spelling of 57553250 in words is "fifty-seven million, five hundred fifty-three thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 230213 460426 1151065 2302130 5755325 11510650 28776625 57553250