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53198447 is a prime number
BaseRepresentation
bin1100101011101…
…1111001101111
310201002202112212
43022323321233
5102104322242
65140121035
71214115341
oct312737157
9121082485
1053198447
1128035865
121599617b
13b038193
1470cb291
154a0c782
hex32bbe6f

53198447 has 2 divisors, whose sum is σ = 53198448. Its totient is φ = 53198446.

The previous prime is 53198413. The next prime is 53198503. The reversal of 53198447 is 74489135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53198447 - 220 = 52149871 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53198947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26599223 + 26599224.

It is an arithmetic number, because the mean of its divisors is an integer number (26599224).

Almost surely, 253198447 is an apocalyptic number.

53198447 is a deficient number, since it is larger than the sum of its proper divisors (1).

53198447 is an equidigital number, since it uses as much as digits as its factorization.

53198447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 53198447 is about 7293.7265509477. The cubic root of 53198447 is about 376.0968114036.

The spelling of 53198447 in words is "fifty-three million, one hundred ninety-eight thousand, four hundred forty-seven".