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54597999959 = 257921170221
BaseRepresentation
bin110010110110010010…
…110101110101010111
312012221000202202210122
4302312102311311113
51343304041444314
641025412342155
73641663225306
oct626622656527
9165830682718
1054597999959
1121178169518
12a6b891495b
1351c1539869
1428dd26a43d
15164839028e
hexcb64b5d57

54597999959 has 4 divisors (see below), whose sum is σ = 54619172760. Its totient is φ = 54576827160.

The previous prime is 54597999949. The next prime is 54597999971. The reversal of 54597999959 is 95999979545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54597999959 - 228 = 54329564503 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 (54597999949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10582532 + ... + 10587689.

It is an arithmetic number, because the mean of its divisors is an integer number (13654793190).

Almost surely, 254597999959 is an apocalyptic number.

54597999959 is a deficient number, since it is larger than the sum of its proper divisors (21172801).

54597999959 is a wasteful number, since it uses less digits than its factorization.

54597999959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21172800.

The product of its digits is 1860043500, while the sum is 80.

The spelling of 54597999959 in words is "fifty-four billion, five hundred ninety-seven million, nine hundred ninety-nine thousand, nine hundred fifty-nine".

Divisors: 1 2579 21170221 54597999959