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54350920 = 23513127823
BaseRepresentation
bin1100111101010…
…1010001001000
310210021022110001
43033111101020
5102403212140
65220532344
71226655331
oct317252110
9123238401
1054350920
1128752718
12162510b4
13b34c910
14730b288
154b88e9a
hex33d5448

54350920 has 64 divisors (see below), whose sum is σ = 132894720. Its totient is φ = 19885824.

The previous prime is 54350911. The next prime is 54350929. The reversal of 54350920 is 2905345.

It is an interprime number because it is at equal distance from previous prime (54350911) and next prime (54350929).

It is not an unprimeable number, because it can be changed into a prime (54350929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65629 + ... + 66451.

It is an arithmetic number, because the mean of its divisors is an integer number (2076480).

Almost surely, 254350920 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 54350920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66447360).

54350920 is an abundant number, since it is smaller than the sum of its proper divisors (78543800).

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

54350920 is a wasteful number, since it uses less digits than its factorization.

54350920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 54350920 is about 7372.3076441505. The cubic root of 54350920 is about 378.7933097914.

The spelling of 54350920 in words is "fifty-four million, three hundred fifty thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 127 130 254 260 508 520 635 823 1016 1270 1646 1651 2540 3292 3302 4115 5080 6584 6604 8230 8255 10699 13208 16460 16510 21398 32920 33020 42796 53495 66040 85592 104521 106990 209042 213980 418084 427960 522605 836168 1045210 1358773 2090420 2717546 4180840 5435092 6793865 10870184 13587730 27175460 54350920