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53878841 is a prime number
BaseRepresentation
bin1100110110001…
…0000000111001
310202101022212122
43031202000321
5102243110331
65202451025
71222651112
oct315420071
9122338778
1053878841
112845aa75
1216063a75
13b215a93
147227209
154ae417b
hex3362039

53878841 has 2 divisors, whose sum is σ = 53878842. Its totient is φ = 53878840.

The previous prime is 53878819. The next prime is 53878843. The reversal of 53878841 is 14887835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36481600 + 17397241 = 6040^2 + 4171^2 .

It is a cyclic number.

It is not a de Polignac number, because 53878841 - 218 = 53616697 is a prime.

Together with 53878843, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53878792 and 53878801.

It is not a weakly prime, because it can be changed into another prime (53878843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26939420 + 26939421.

It is an arithmetic number, because the mean of its divisors is an integer number (26939421).

Almost surely, 253878841 is an apocalyptic number.

It is an amenable number.

53878841 is a deficient number, since it is larger than the sum of its proper divisors (1).

53878841 is an equidigital number, since it uses as much as digits as its factorization.

53878841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 44.

The square root of 53878841 is about 7340.2207732465. The cubic root of 53878841 is about 377.6934166652.

The spelling of 53878841 in words is "fifty-three million, eight hundred seventy-eight thousand, eight hundred forty-one".