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55108750 = 25444087
BaseRepresentation
bin1101001000111…
…0010010001110
310211200210222211
43102032102032
5103101440000
65245101034
71236262624
oct322162216
9124623884
1055108750
1129120024
121655777a
13b556838
147467514
154c887ba
hex348e48e

55108750 has 20 divisors (see below), whose sum is σ = 103298184. Its totient is φ = 22043000.

The previous prime is 55108733. The next prime is 55108751. The reversal of 55108750 is 5780155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55108751) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20794 + ... + 23293.

Almost surely, 255108750 is an apocalyptic number.

55108750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55108750 is a deficient number, since it is larger than the sum of its proper divisors (48189434).

55108750 is an equidigital number, since it uses as much as digits as its factorization.

55108750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44109 (or 44094 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 31.

The square root of 55108750 is about 7423.5267898756. The cubic root of 55108750 is about 380.5457301963.

The spelling of 55108750 in words is "fifty-five million, one hundred eight thousand, seven hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 625 1250 44087 88174 220435 440870 1102175 2204350 5510875 11021750 27554375 55108750