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54438200500 = 2253108876401
BaseRepresentation
bin110010101100110001…
…010000010010110100
312012111220002010011011
4302230301100102310
51342442134404000
641001503322004
73635013032545
oct625461202264
9165456063134
1054438200500
11210a5a43852
12a6732b0304
1351973b9478
1428c5d504cc
1516393272ba
hexcacc504b4

54438200500 has 24 divisors (see below), whose sum is σ = 118893030984. Its totient is φ = 21775280000.

The previous prime is 54438200491. The next prime is 54438200501. The reversal of 54438200500 is 500283445.

It can be written as a sum of positive squares in 4 ways, for example, as 16267982116 + 38170218384 = 127546^2 + 195372^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54438200501) 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, 54437701 + ... + 54438700.

It is an arithmetic number, because the mean of its divisors is an integer number (4953876291).

Almost surely, 254438200500 is an apocalyptic number.

54438200500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

54438200500 is an abundant number, since it is smaller than the sum of its proper divisors (64454830484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54438200500 is a wasteful number, since it uses less digits than its factorization.

54438200500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108876420 (or 108876408 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 54438200500 its reverse (500283445), we get a palindrome (54938483945).

The spelling of 54438200500 in words is "fifty-four billion, four hundred thirty-eight million, two hundred thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 108876401 217752802 435505604 544382005 1088764010 2177528020 2721910025 5443820050 10887640100 13609550125 27219100250 54438200500