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55539008 = 267151821
BaseRepresentation
bin1101001111011…
…1010101000000
310212111200012022
43103313111000
5103204222013
65302221012
71243034210
oct323672500
9125450168
1055539008
1129394308
1216724768
13b677625
14753a240
154d21008
hex34f7540

55539008 has 56 divisors (see below), whose sum is σ = 126943104. Its totient is φ = 23616000.

The previous prime is 55538993. The next prime is 55539013. The reversal of 55539008 is 80093555.

55539008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 67238 + ... + 68058.

Almost surely, 255539008 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 55539008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63471552).

55539008 is an abundant number, since it is smaller than the sum of its proper divisors (71404096).

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

55539008 is a wasteful number, since it uses less digits than its factorization.

55539008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991 (or 981 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 55539008 is about 7452.4497985562. The cubic root of 55539008 is about 381.5335259774.

The spelling of 55539008 in words is "fifty-five million, five hundred thirty-nine thousand, eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 151 224 302 448 604 821 1057 1208 1642 2114 2416 3284 4228 4832 5747 6568 8456 9664 11494 13136 16912 22988 26272 33824 45976 52544 67648 91952 123971 183904 247942 367808 495884 867797 991768 1735594 1983536 3471188 3967072 6942376 7934144 13884752 27769504 55539008