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53354450 = 25210332
BaseRepresentation
bin1100101110000…
…1111111010010
310201101200112202
43023201333102
5102124320300
65143323202
71215335222
oct313417722
9121350482
1053354450
1128131a96
1215a50502
13b0911a6
14712c082
154a3dad5
hex32e1fd2

53354450 has 18 divisors (see below), whose sum is σ = 99335439. Its totient is φ = 21321120.

The previous prime is 53354429. The next prime is 53354531. The reversal of 53354450 is 5445335.

It can be written as a sum of positive squares in 5 ways, for example, as 47789569 + 5564881 = 6913^2 + 2359^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=5165.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 51134 + ... + 52166.

Almost surely, 253354450 is an apocalyptic number.

53354450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53354450 is a deficient number, since it is larger than the sum of its proper divisors (45980989).

53354450 is an equidigital number, since it uses as much as digits as its factorization.

53354450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078 (or 1040 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 53354450 is about 7304.4130496570. The cubic root of 53354450 is about 376.4640838576.

Adding to 53354450 its reverse (5445335), we get a palindrome (58799785).

The spelling of 53354450 in words is "fifty-three million, three hundred fifty-four thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 1033 2066 5165 10330 25825 51650 1067089 2134178 5335445 10670890 26677225 53354450