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55671300 = 2235522979
BaseRepresentation
bin1101010001011…
…1101000000100
310212202101200000
43110113220010
5103222440200
65305121300
71244124666
oct324275004
9125671600
1055671300
1129474743
1216789230
13b6c28c9
147572536
154d4a300
hex3517a04

55671300 has 216 divisors, whose sum is σ = 189571200. Its totient is φ = 14152320.

The previous prime is 55671299. The next prime is 55671323. The reversal of 55671300 is 317655.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 704661 + ... + 704739.

Almost surely, 255671300 is an apocalyptic number.

55671300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55671300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94785600).

55671300 is an abundant number, since it is smaller than the sum of its proper divisors (133899900).

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

55671300 is a wasteful number, since it uses less digits than its factorization.

55671300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 55671300 is about 7461.3202585065. The cubic root of 55671300 is about 381.8362189995.

Adding to 55671300 its reverse (317655), we get a palindrome (55988955).

The spelling of 55671300 in words is "fifty-five million, six hundred seventy-one thousand, three hundred".