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57508643 is a prime number
BaseRepresentation
bin1101101101100…
…0001100100011
311000012202000202
43123120030203
5104210234033
65412335415
71265546453
oct333301443
9130182022
1057508643
112a50a105
121731456b
13bbb6caa
1478cdd63
1550ae8e8
hex36d8323

57508643 has 2 divisors, whose sum is σ = 57508644. Its totient is φ = 57508642.

The previous prime is 57508631. The next prime is 57508663. The reversal of 57508643 is 34680575.

57508643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57508643 - 28 = 57508387 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57508597 and 57508606.

It is not a weakly prime, because it can be changed into another prime (57508663) 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 as a sum of consecutive naturals, namely, 28754321 + 28754322.

It is an arithmetic number, because the mean of its divisors is an integer number (28754322).

Almost surely, 257508643 is an apocalyptic number.

57508643 is a deficient number, since it is larger than the sum of its proper divisors (1).

57508643 is an equidigital number, since it uses as much as digits as its factorization.

57508643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 57508643 is about 7583.4453251804. The cubic root of 57508643 is about 385.9914693811.

The spelling of 57508643 in words is "fifty-seven million, five hundred eight thousand, six hundred forty-three".