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53727025 = 5211217761
BaseRepresentation
bin1100110011110…
…0111100110001
310202002121121211
43030330330301
5102223231100
65155320121
71221446362
oct314747461
9122077554
1053727025
1128366a00
1215bb0041
13b191951
1471c7b69
154ab41ba
hex333cf31

53727025 has 18 divisors (see below), whose sum is σ = 73232726. Its totient is φ = 39072000.

The previous prime is 53727019. The next prime is 53727059. The reversal of 53727025 is 52072735.

53727025 = 10122 + 10132 + ... + 10612.

It can be written as a sum of positive squares in 3 ways, for example, as 1656369 + 52070656 = 1287^2 + 7216^2 .

It is not a de Polignac number, because 53727025 - 23 = 53727017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5856 + ... + 11905.

Almost surely, 253727025 is an apocalyptic number.

53727025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53727025 is a deficient number, since it is larger than the sum of its proper divisors (19505701).

53727025 is a wasteful number, since it uses less digits than its factorization.

53727025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17793 (or 17777 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 53727025 is about 7329.8720998391. The cubic root of 53727025 is about 377.3383369885.

The spelling of 53727025 in words is "fifty-three million, seven hundred twenty-seven thousand, twenty-five".

Divisors: 1 5 11 25 55 121 275 605 3025 17761 88805 195371 444025 976855 2149081 4884275 10745405 53727025