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55234700 = 22521732491
BaseRepresentation
bin1101001010110…
…1000010001100
310211221012202122
43102231002030
5103120002300
65251512112
71240326053
oct322550214
9124835678
1055234700
11291a6714
12165b8638
13b59bc71
14749b39a
154cb0c85
hex34ad08c

55234700 has 36 divisors (see below), whose sum is σ = 126913752. Its totient is φ = 20793600.

The previous prime is 55234693. The next prime is 55234703. The reversal of 55234700 is 743255.

It is a self number, because there is not a number n which added to its sum of digits gives 55234700.

It is not an unprimeable number, because it can be changed into a prime (55234703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14546 + ... + 17945.

It is an arithmetic number, because the mean of its divisors is an integer number (3525382).

Almost surely, 255234700 is an apocalyptic number.

55234700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55234700 is an abundant number, since it is smaller than the sum of its proper divisors (71679052).

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

55234700 is a wasteful number, since it uses less digits than its factorization.

55234700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32522 (or 32515 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 55234700 is about 7432.0051130230. The cubic root of 55234700 is about 380.8354196246.

Adding to 55234700 its reverse (743255), we get a palindrome (55977955).

The spelling of 55234700 in words is "fifty-five million, two hundred thirty-four thousand, seven hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 340 425 850 1700 32491 64982 129964 162455 324910 552347 649820 812275 1104694 1624550 2209388 2761735 3249100 5523470 11046940 13808675 27617350 55234700