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53939537 = 192149417
BaseRepresentation
bin1100110111000…
…0110101010001
310202111102010122
43031300311101
5102302031122
65204040025
71223323061
oct315606521
9122442118
1053939537
11284a1633
1216093015
13b2375b2
1472413a1
154b07142
hex3370d51

53939537 has 6 divisors (see below), whose sum is σ = 56928258. Its totient is φ = 51100272.

The previous prime is 53939527. The next prime is 53939539. The reversal of 53939537 is 73593935.

53939537 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 only one way, i.e., 51854401 + 2085136 = 7201^2 + 1444^2 .

It is not a de Polignac number, because 53939537 - 210 = 53938513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53939539) 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 5 ways as a sum of consecutive naturals, for example, 74348 + ... + 75069.

It is an arithmetic number, because the mean of its divisors is an integer number (9488043).

Almost surely, 253939537 is an apocalyptic number.

It is an amenable number.

53939537 is a deficient number, since it is larger than the sum of its proper divisors (2988721).

53939537 is a wasteful number, since it uses less digits than its factorization.

53939537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149455 (or 149436 counting only the distinct ones).

The product of its digits is 382725, while the sum is 44.

The square root of 53939537 is about 7344.3540900477. The cubic root of 53939537 is about 377.8351907904.

The spelling of 53939537 in words is "fifty-three million, nine hundred thirty-nine thousand, five hundred thirty-seven".

Divisors: 1 19 361 149417 2838923 53939537