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54552550 = 25213234189
BaseRepresentation
bin1101000000011…
…0011111100110
310210122120000211
43100012133212
5102431140200
65225130034
71231455223
oct320063746
9123576024
1054552550
1128880158
121632991a
13b3c0620
14736094a
154bc8aba
hex34067e6

54552550 has 96 divisors (see below), whose sum is σ = 118117440. Its totient is φ = 18585600.

The previous prime is 54552517. The next prime is 54552551. The reversal of 54552550 is 5525545.

54552550 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 not an unprimeable number, because it can be changed into a prime (54552551) 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 47 ways as a sum of consecutive naturals, for example, 612906 + ... + 612994.

It is an arithmetic number, because the mean of its divisors is an integer number (1230390).

Almost surely, 254552550 is an apocalyptic number.

54552550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54552550 is an abundant number, since it is smaller than the sum of its proper divisors (63564890).

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

54552550 is a wasteful number, since it uses less digits than its factorization.

54552550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 54552550 is about 7385.9698076827. The cubic root of 54552550 is about 379.2611451291.

The spelling of 54552550 in words is "fifty-four million, five hundred fifty-two thousand, five hundred fifty".

Divisors: 1 2 5 10 13 23 25 26 41 46 50 65 82 89 115 130 178 205 230 299 325 410 445 533 575 598 650 890 943 1025 1066 1150 1157 1495 1886 2047 2050 2225 2314 2665 2990 3649 4094 4450 4715 5330 5785 7298 7475 9430 10235 11570 12259 13325 14950 18245 20470 23575 24518 26611 26650 28925 36490 47150 47437 51175 53222 57850 61295 83927 91225 94874 102350 122590 133055 167854 182450 237185 266110 306475 419635 474370 612950 665275 839270 1091051 1185925 1330550 2098175 2182102 2371850 4196350 5455255 10910510 27276275 54552550