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55441700 = 2252554417
BaseRepresentation
bin1101001101111…
…1100100100100
310212022201201022
43103133210210
5103143113300
65300150312
71242150416
oct323374444
9125281638
1055441700
1129328196
1216698398
13b642252
1475129b6
154d02285
hex34df924

55441700 has 18 divisors (see below), whose sum is σ = 120308706. Its totient is φ = 22176640.

The previous prime is 55441697. The next prime is 55441721. The reversal of 55441700 is 714455.

It can be written as a sum of positive squares in 3 ways, for example, as 1036324 + 54405376 = 1018^2 + 7376^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55441700.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277109 + ... + 277308.

It is an arithmetic number, because the mean of its divisors is an integer number (6683817).

Almost surely, 255441700 is an apocalyptic number.

55441700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55441700 is an abundant number, since it is smaller than the sum of its proper divisors (64867006).

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

55441700 is a wasteful number, since it uses less digits than its factorization.

55441700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554431 (or 554424 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 55441700 is about 7445.9183449726. The cubic root of 55441700 is about 381.3105717610.

The spelling of 55441700 in words is "fifty-five million, four hundred forty-one thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 554417 1108834 2217668 2772085 5544170 11088340 13860425 27720850 55441700