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54758860 = 22513239157
BaseRepresentation
bin1101000011100…
…0110111001100
310211001001000221
43100320313030
5103004240420
65233401124
71233304552
oct320706714
9124031027
1054758860
1128a01162
12164091a4
13b4634c0
1473b5bd2
154c19caa
hex3438dcc

54758860 has 48 divisors (see below), whose sum is σ = 129237696. Its totient is φ = 19337472.

The previous prime is 54758857. The next prime is 54758861. The reversal of 54758860 is 6885745.

54758860 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 (54758861) 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 15 ways as a sum of consecutive naturals, for example, 1402 + ... + 10558.

It is an arithmetic number, because the mean of its divisors is an integer number (2692452).

Almost surely, 254758860 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 54758860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64618848).

54758860 is an abundant number, since it is smaller than the sum of its proper divisors (74478836).

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

54758860 is a wasteful number, since it uses less digits than its factorization.

54758860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9202 (or 9200 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 54758860 is about 7399.9229725721. The cubic root of 54758860 is about 379.7386476225.

The spelling of 54758860 in words is "fifty-four million, seven hundred fifty-eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 13 20 23 26 46 52 65 92 115 130 230 260 299 460 598 1196 1495 2990 5980 9157 18314 36628 45785 91570 119041 183140 210611 238082 421222 476164 595205 842444 1053055 1190410 2106110 2380820 2737943 4212220 5475886 10951772 13689715 27379430 54758860