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55160200 = 2352389709
BaseRepresentation
bin1101001001101…
…0110110001000
310211210102120101
43102122312020
5103110111300
65250135144
71236565624
oct322326610
9124712511
1055160200
1129155747
12165814b4
13b574094
14747c184
154c98b6a
hex349ad88

55160200 has 48 divisors (see below), whose sum is σ = 128758500. Its totient is φ = 21976320.

The previous prime is 55160179. The next prime is 55160201. The reversal of 55160200 is 206155.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4778596 + 50381604 = 2186^2 + 7098^2 .

It is not an unprimeable number, because it can be changed into a prime (55160201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77446 + ... + 78154.

Almost surely, 255160200 is an apocalyptic number.

55160200 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 55160200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64379250).

55160200 is an abundant number, since it is smaller than the sum of its proper divisors (73598300).

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

55160200 is a wasteful number, since it uses less digits than its factorization.

55160200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114 (or 1105 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 55160200 is about 7426.9913154655. The cubic root of 55160200 is about 380.6641202759.

Adding to 55160200 its reverse (206155), we get a palindrome (55366355).

The spelling of 55160200 in words is "fifty-five million, one hundred sixty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 389 709 778 1418 1556 1945 2836 3112 3545 3890 5672 7090 7780 9725 14180 15560 17725 19450 28360 35450 38900 70900 77800 141800 275801 551602 1103204 1379005 2206408 2758010 5516020 6895025 11032040 13790050 27580100 55160200