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54212375717 = 661197941443
BaseRepresentation
bin110010011111010011…
…110011010010100101
312011221011011000210022
4302133103303102211
51342011332010332
640523235204525
73626301406343
oct623723632245
9164834130708
1054212375717
1120a9a5222a5
12a60b746745
13515c68c736
1428a3d68993
1516245bb212
hexc9f4f34a5

54212375717 has 8 divisors (see below), whose sum is σ = 54323137440. Its totient is φ = 54101702160.

The previous prime is 54212375683. The next prime is 54212375729. The reversal of 54212375717 is 71757321245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54212375717 - 210 = 54212374693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54212375317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1287398 + ... + 1328840.

It is an arithmetic number, because the mean of its divisors is an integer number (6790392180).

Almost surely, 254212375717 is an apocalyptic number.

It is an amenable number.

54212375717 is a deficient number, since it is larger than the sum of its proper divisors (110761723).

54212375717 is a wasteful number, since it uses less digits than its factorization.

54212375717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44083.

The product of its digits is 411600, while the sum is 44.

The spelling of 54212375717 in words is "fifty-four billion, two hundred twelve million, three hundred seventy-five thousand, seven hundred seventeen".

Divisors: 1 661 1979 41443 1308119 27393823 82015697 54212375717