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55828350 = 23252971279
BaseRepresentation
bin1101010011110…
…1111101111110
310220001101002200
43110331331332
5103243001400
65312332330
71245350604
oct324757576
9126041080
1055828350
1129571736
12168440a6
13b749236
1475b3874
154d7bb00
hex353df7e

55828350 has 72 divisors (see below), whose sum is σ = 151656960. Its totient is φ = 14722560.

The previous prime is 55828349. The next prime is 55828351. The reversal of 55828350 is 5382855.

It is an interprime number because it is at equal distance from previous prime (55828349) and next prime (55828351).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55828351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 43011 + ... + 44289.

Almost surely, 255828350 is an apocalyptic number.

55828350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55828350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75828480).

55828350 is an abundant number, since it is smaller than the sum of its proper divisors (95828610).

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

55828350 is a wasteful number, since it uses less digits than its factorization.

55828350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 55828350 is about 7471.8371234925. The cubic root of 55828350 is about 382.1949381039.

The spelling of 55828350 in words is "fifty-five million, eight hundred twenty-eight thousand, three hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 97 150 194 225 291 450 485 582 873 970 1279 1455 1746 2425 2558 2910 3837 4365 4850 6395 7275 7674 8730 11511 12790 14550 19185 21825 23022 31975 38370 43650 57555 63950 95925 115110 124063 191850 248126 287775 372189 575550 620315 744378 1116567 1240630 1860945 2233134 3101575 3721890 5582835 6203150 9304725 11165670 18609450 27914175 55828350