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54751648 = 257614007
BaseRepresentation
bin1101000011011…
…1000110100000
310211000200010211
43100313012200
5103004023043
65233303504
71233244540
oct320670640
9124020124
1054751648
11289a67a6
1216404b94
13b460133
1473b3320
154c17a9d
hex34371a0

54751648 has 48 divisors (see below), whose sum is σ = 125241984. Its totient is φ = 23074560.

The previous prime is 54751621. The next prime is 54751651. The reversal of 54751648 is 84615745.

It is a self number, because there is not a number n which added to its sum of digits gives 54751648.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11661 + ... + 15667.

It is an arithmetic number, because the mean of its divisors is an integer number (2609208).

Almost surely, 254751648 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 54751648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62620992).

54751648 is an abundant number, since it is smaller than the sum of its proper divisors (70490336).

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

54751648 is a wasteful number, since it uses less digits than its factorization.

54751648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4085 (or 4077 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 54751648 is about 7399.4356541563. The cubic root of 54751648 is about 379.7219757672.

The spelling of 54751648 in words is "fifty-four million, seven hundred fifty-one thousand, six hundred forty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 61 112 122 224 244 427 488 854 976 1708 1952 3416 4007 6832 8014 13664 16028 28049 32056 56098 64112 112196 128224 224392 244427 448784 488854 897568 977708 1710989 1955416 3421978 3910832 6843956 7821664 13687912 27375824 54751648