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54541920 = 2535199571
BaseRepresentation
bin1101000000001…
…1111001100000
310210122000110010
43100003321200
5102430320140
65225004520
71231412226
oct320037140
9123560403
1054541920
1128873174
1216323740
13b3b8834
14735ab16
154bc5880
hex3403e60

54541920 has 96 divisors (see below), whose sum is σ = 172972800. Its totient is φ = 14446080.

The previous prime is 54541909. The next prime is 54541937. The reversal of 54541920 is 2914545.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95235 + ... + 95805.

It is an arithmetic number, because the mean of its divisors is an integer number (1801800).

Almost surely, 254541920 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 54541920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86486400).

54541920 is an abundant number, since it is smaller than the sum of its proper divisors (118430880).

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

54541920 is a wasteful number, since it uses less digits than its factorization.

54541920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 54541920 is about 7385.2501650249. The cubic root of 54541920 is about 379.2365095079.

The spelling of 54541920 in words is "fifty-four million, five hundred forty-one thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 199 240 398 480 571 597 796 995 1142 1194 1592 1713 1990 2284 2388 2855 2985 3184 3426 3980 4568 4776 5710 5970 6368 6852 7960 8565 9136 9552 11420 11940 13704 15920 17130 18272 19104 22840 23880 27408 31840 34260 45680 47760 54816 68520 91360 95520 113629 137040 227258 274080 340887 454516 568145 681774 909032 1136290 1363548 1704435 1818064 2272580 2727096 3408870 3636128 4545160 5454192 6817740 9090320 10908384 13635480 18180640 27270960 54541920