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54247555574245 = 5118232712744179
BaseRepresentation
bin11000101010110011111100…
…10001111010100111100101
321010002000102102100010110001
430111121332101322213211
524102242443211333440
6311212552154301301
714266153666200265
oct1425317621724745
9233060372303401
1054247555574245
1116315293988730
126101658727831
1324366a4038807
14d5784a8537a5
15641184034b9a
hex31567e47a9e5

54247555574245 has 32 divisors (see below), whose sum is σ = 71105500293120. Its totient is φ = 39402485432640.

The previous prime is 54247555574243. The next prime is 54247555574273.

It is a happy number.

54247555574245 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54247555574245 - 21 = 54247555574243 is a prime.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54247555574243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1227881566 + ... + 1227925744.

It is an arithmetic number, because the mean of its divisors is an integer number (2222046884160).

Almost surely, 254247555574245 is an apocalyptic number.

54247555574245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54247555574245 is a deficient number, since it is larger than the sum of its proper divisors (16857944718875).

54247555574245 is a wasteful number, since it uses less digits than its factorization.

54247555574245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72145.

The product of its digits is 784000000, while the sum is 64.

The spelling of 54247555574245 in words is "fifty-four trillion, two hundred forty-seven billion, five hundred fifty-five million, five hundred seventy-four thousand, two hundred forty-five".

Divisors: 1 5 11 55 823 4115 9053 27127 44179 45265 135635 220895 298397 485969 1491985 2429845 22325521 36359317 111627605 181796585 245580731 399952487 1198443733 1227903655 1999762435 5992218665 13182881063 65914405315 986319192259 4931595961295 10849511114849 54247555574245