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54520031200 = 255268150039
BaseRepresentation
bin110010110001101001…
…011010011111100000
312012201121001112202211
4302301221122133200
51343124111444300
641013545251504
73640025422165
oct626151323740
9165647045684
1054520031200
1121138155428
12a696793b94
1351ab33abbb
1428d2b7206c
1516415dd4ba
hexcb1a5a7e0

54520031200 has 36 divisors (see below), whose sum is σ = 133097028120. Its totient is φ = 21808012160.

The previous prime is 54520031177. The next prime is 54520031249. The reversal of 54520031200 is 213002545.

54520031200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34074220 + ... + 34075819.

It is an arithmetic number, because the mean of its divisors is an integer number (3697139670).

Almost surely, 254520031200 is an apocalyptic number.

54520031200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

54520031200 is an abundant number, since it is smaller than the sum of its proper divisors (78576996920).

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

54520031200 is a wasteful number, since it uses less digits than its factorization.

54520031200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68150059 (or 68150046 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 54520031200 its reverse (213002545), we get a palindrome (54733033745).

The spelling of 54520031200 in words is "fifty-four billion, five hundred twenty million, thirty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 68150039 136300078 272600156 340750195 545200312 681500390 1090400624 1363000780 1703750975 2180801248 2726001560 3407501950 5452003120 6815003900 10904006240 13630007800 27260015600 54520031200