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54478480375 = 531123601883
BaseRepresentation
bin110010101111001010…
…111010001111110111
312012121200212112202101
4302233022322033313
51343032442333000
641005502522531
73636012304564
oct625712721767
9165550775671
1054478480375
1121116755700
12a684896447
1351a2850507
1428cb43786b
15163cb31e6a
hexcaf2ba3f7

54478480375 has 24 divisors (see below), whose sum is σ = 74731889232. Its totient is φ = 39620702000.

The previous prime is 54478480361. The next prime is 54478480471. The reversal of 54478480375 is 57308487445.

It is not a de Polignac number, because 54478480375 - 213 = 54478472183 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1785817 + ... + 1816066.

It is an arithmetic number, because the mean of its divisors is an integer number (3113828718).

Almost surely, 254478480375 is an apocalyptic number.

54478480375 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

54478480375 is a deficient number, since it is larger than the sum of its proper divisors (20253408857).

54478480375 is a wasteful number, since it uses less digits than its factorization.

54478480375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3601920 (or 3601899 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 55.

The spelling of 54478480375 in words is "fifty-four billion, four hundred seventy-eight million, four hundred eighty thousand, three hundred seventy-five".

Divisors: 1 5 11 25 55 121 125 275 605 1375 3025 15125 3601883 18009415 39620713 90047075 198103565 435827843 450235375 990517825 2179139215 4952589125 10895696075 54478480375