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53738857 is a prime number
BaseRepresentation
bin1100110011111…
…1110101101001
310202010012212001
43030333311221
5102224120412
65155451001
71221526024
oct314776551
9122105761
1053738857
1128374887
1215bb6a61
13b197153
1471cc1bb
154ab7957
hex333fd69

53738857 has 2 divisors, whose sum is σ = 53738858. Its totient is φ = 53738856.

The previous prime is 53738851. The next prime is 53738917. The reversal of 53738857 is 75883735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27154521 + 26584336 = 5211^2 + 5156^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53738857 is a prime.

It is not a weakly prime, because it can be changed into another prime (53738851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26869428 + 26869429.

It is an arithmetic number, because the mean of its divisors is an integer number (26869429).

Almost surely, 253738857 is an apocalyptic number.

It is an amenable number.

53738857 is a deficient number, since it is larger than the sum of its proper divisors (1).

53738857 is an equidigital number, since it uses as much as digits as its factorization.

53738857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 705600, while the sum is 46.

The square root of 53738857 is about 7330.6791636246. The cubic root of 53738857 is about 377.3660346540.

The spelling of 53738857 in words is "fifty-three million, seven hundred thirty-eight thousand, eight hundred fifty-seven".