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54959920 = 245472311
BaseRepresentation
bin1101000110100…
…1111100110000
310211102020211121
43101221330300
5103032204140
65241552024
71235103001
oct321517460
9124366747
1054959920
1129029224
12164a5614
13b503b82
1474291a8
154c5964a
hex3469f30

54959920 has 60 divisors (see below), whose sum is σ = 130978224. Its totient is φ = 21447040.

The previous prime is 54959897. The next prime is 54959921. The reversal of 54959920 is 2995945.

It is a happy number.

54959920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (54959921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176565 + ... + 176875.

Almost surely, 254959920 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 54959920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65489112).

54959920 is an abundant number, since it is smaller than the sum of its proper divisors (76018304).

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

54959920 is a wasteful number, since it uses less digits than its factorization.

54959920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 54959920 is about 7413.4958015770. The cubic root of 54959920 is about 380.2028464553.

The spelling of 54959920 in words is "fifty-four million, nine hundred fifty-nine thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 47 80 94 188 235 311 376 470 622 752 940 1244 1555 1880 2209 2488 3110 3760 4418 4976 6220 8836 11045 12440 14617 17672 22090 24880 29234 35344 44180 58468 73085 88360 116936 146170 176720 233872 292340 584680 686999 1169360 1373998 2747996 3434995 5495992 6869990 10991984 13739980 27479960 54959920