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57090538049 is a prime number
BaseRepresentation
bin110101001010110111…
…000111101001000001
312110100201220211021012
4311022313013221001
51413410134204144
642121012210305
74060520365226
oct651267075101
9173321824235
1057090538049
1122237136256
12b093609995
1354caa5577c
142a982d794d
1517420e4e9e
hexd4adc7a41

57090538049 has 2 divisors, whose sum is σ = 57090538050. Its totient is φ = 57090538048.

The previous prime is 57090537961. The next prime is 57090538073. The reversal of 57090538049 is 94083509075.

57090538049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56047248049 + 1043290000 = 236743^2 + 32300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57090538049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57090537988 and 57090538006.

It is not a weakly prime, because it can be changed into another prime (57090528049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28545269024 + 28545269025.

It is an arithmetic number, because the mean of its divisors is an integer number (28545269025).

Almost surely, 257090538049 is an apocalyptic number.

It is an amenable number.

57090538049 is a deficient number, since it is larger than the sum of its proper divisors (1).

57090538049 is an equidigital number, since it uses as much as digits as its factorization.

57090538049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 57090538049 in words is "fifty-seven billion, ninety million, five hundred thirty-eight thousand, forty-nine".