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57493631953 is a prime number
BaseRepresentation
bin110101100010111000…
…110011001111010001
312111101211102010011001
4311202320303033101
51420221332210303
642225012022001
74103513544142
oct654270631721
9174354363131
1057493631953
112242372470a
12b186601901
13556340b384
142ad5a65ac9
1517676ba31d
hexd62e333d1

57493631953 has 2 divisors, whose sum is σ = 57493631954. Its totient is φ = 57493631952.

The previous prime is 57493631929. The next prime is 57493632011. The reversal of 57493631953 is 35913639475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55437644304 + 2055987649 = 235452^2 + 45343^2 .

It is a cyclic number.

It is not a de Polignac number, because 57493631953 - 217 = 57493500881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57493631894 and 57493631903.

It is not a weakly prime, because it can be changed into another prime (57493631753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28746815976 + 28746815977.

It is an arithmetic number, because the mean of its divisors is an integer number (28746815977).

Almost surely, 257493631953 is an apocalyptic number.

It is an amenable number.

57493631953 is a deficient number, since it is larger than the sum of its proper divisors (1).

57493631953 is an equidigital number, since it uses as much as digits as its factorization.

57493631953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9185400, while the sum is 55.

The spelling of 57493631953 in words is "fifty-seven billion, four hundred ninety-three million, six hundred thirty-one thousand, nine hundred fifty-three".