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54888918228239 is a prime number
BaseRepresentation
bin11000111101011110100100…
…11110010001110100001111
321012100022220002022201022012
430132233102132101310033
524143300001031300424
6312423342042011435
714363410363616264
oct1436572236216417
9235308802281265
1054888918228239
1116542294430397
1261a5a0b7a6b7b
13248200614c4c4
14d7a8d025526b
15652bc0303b0e
hex31ebd2791d0f

54888918228239 has 2 divisors, whose sum is σ = 54888918228240. Its totient is φ = 54888918228238.

The previous prime is 54888918228227. The next prime is 54888918228241. The reversal of 54888918228239 is 93282281988845.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54888918228239 - 240 = 53789406600463 is a prime.

It is a super-2 number, since 2×548889182282392 (a number of 28 digits) contains 22 as substring.

Together with 54888918228241, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54888918228239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54888918228269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27444459114119 + 27444459114120.

It is an arithmetic number, because the mean of its divisors is an integer number (27444459114120).

Almost surely, 254888918228239 is an apocalyptic number.

54888918228239 is a deficient number, since it is larger than the sum of its proper divisors (1).

54888918228239 is an equidigital number, since it uses as much as digits as its factorization.

54888918228239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1274019840, while the sum is 77.

The spelling of 54888918228239 in words is "fifty-four trillion, eight hundred eighty-eight billion, nine hundred eighteen million, two hundred twenty-eight thousand, two hundred thirty-nine".