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53848661 is a prime number
BaseRepresentation
bin1100110101101…
…0101001010101
310202022210110212
43031122221111
5102241124121
65202055205
71222464116
oct315325125
9122283425
1053848661
112843a329
121604a505
13b205119
14721a20d
154ada25b
hex335aa55

53848661 has 2 divisors, whose sum is σ = 53848662. Its totient is φ = 53848660.

The previous prime is 53848633. The next prime is 53848687. The reversal of 53848661 is 16684835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53567761 + 280900 = 7319^2 + 530^2 .

It is a cyclic number.

It is not a de Polignac number, because 53848661 - 222 = 49654357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53845661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26924330 + 26924331.

It is an arithmetic number, because the mean of its divisors is an integer number (26924331).

Almost surely, 253848661 is an apocalyptic number.

It is an amenable number.

53848661 is a deficient number, since it is larger than the sum of its proper divisors (1).

53848661 is an equidigital number, since it uses as much as digits as its factorization.

53848661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 41.

The square root of 53848661 is about 7338.1646888033. The cubic root of 53848661 is about 377.6228823819.

The spelling of 53848661 in words is "fifty-three million, eight hundred forty-eight thousand, six hundred sixty-one".