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55260160 = 210543251
BaseRepresentation
bin1101001011001…
…1010000000000
310211222111200121
43102303100000
5103121311120
65252230024
71240463224
oct322632000
9124874617
1055260160
112921385a
121660b314
13b5aa727
1474a6784
154cb85aa
hex34b3400

55260160 has 88 divisors (see below), whose sum is σ = 136182816. Its totient is φ = 21504000.

The previous prime is 55260157. The next prime is 55260187. The reversal of 55260160 is 6106255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220035 + ... + 220285.

It is an arithmetic number, because the mean of its divisors is an integer number (1547532).

Almost surely, 255260160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55260160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68091408).

55260160 is an abundant number, since it is smaller than the sum of its proper divisors (80922656).

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

55260160 is a wasteful number, since it uses less digits than its factorization.

55260160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 55260160 is about 7433.7177778014. The cubic root of 55260160 is about 380.8939249988.

The spelling of 55260160 in words is "fifty-five million, two hundred sixty thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 43 64 80 86 128 160 172 215 251 256 320 344 430 502 512 640 688 860 1004 1024 1255 1280 1376 1720 2008 2510 2560 2752 3440 4016 5020 5120 5504 6880 8032 10040 10793 11008 13760 16064 20080 21586 22016 27520 32128 40160 43172 44032 53965 55040 64256 80320 86344 107930 110080 128512 160640 172688 215860 220160 257024 321280 345376 431720 642560 690752 863440 1285120 1381504 1726880 2763008 3453760 5526016 6907520 11052032 13815040 27630080 55260160