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54479568 = 24311137937
BaseRepresentation
bin1100111111010…
…0101011010000
310210111211220210
43033310223100
5102421321233
65223404120
71231032363
oct317645320
9123454823
1054479568
1128830340
12162b3640
13b396340
1473420da
154bb2163
hex33f4ad0

54479568 has 80 divisors (see below), whose sum is σ = 165364416. Its totient is φ = 15237120.

The previous prime is 54479563. The next prime is 54479587. The reversal of 54479568 is 86597445.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54479561) 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, 2896 + ... + 10832.

Almost surely, 254479568 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 54479568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82682208).

54479568 is an abundant number, since it is smaller than the sum of its proper divisors (110884848).

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

54479568 is a wasteful number, since it uses less digits than its factorization.

54479568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7972 (or 7966 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 54479568 is about 7381.0275707384. The cubic root of 54479568 is about 379.0919407598.

The spelling of 54479568 in words is "fifty-four million, four hundred seventy-nine thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 11 12 13 16 22 24 26 33 39 44 48 52 66 78 88 104 132 143 156 176 208 264 286 312 429 528 572 624 858 1144 1716 2288 3432 6864 7937 15874 23811 31748 47622 63496 87307 95244 103181 126992 174614 190488 206362 261921 309543 349228 380976 412724 523842 619086 698456 825448 1047684 1134991 1238172 1396912 1650896 2095368 2269982 2476344 3404973 4190736 4539964 4952688 6809946 9079928 13619892 18159856 27239784 54479568