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55308960 = 2533573159
BaseRepresentation
bin1101001011111…
…1001010100000
310212001222122000
43102333022200
5103124341320
65253244000
71241055420
oct322771240
9125058560
1055308960
1129247493
1216633600
13b5c69c5
1474ba480
154cc7c90
hex34bf2a0

55308960 has 384 divisors, whose sum is σ = 232243200. Its totient is φ = 12026880.

The previous prime is 55308941. The next prime is 55308971. The reversal of 55308960 is 6980355.

55308960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 63 ways as a sum of consecutive naturals, for example, 937411 + ... + 937469.

It is an arithmetic number, because the mean of its divisors is an integer number (604800).

Almost surely, 255308960 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 55308960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116121600).

55308960 is an abundant number, since it is smaller than the sum of its proper divisors (176934240).

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

55308960 is a wasteful number, since it uses less digits than its factorization.

55308960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 55308960 is about 7436.9993949173. Note that the first 3 decimals coincide. The cubic root of 55308960 is about 381.0060139171.

The spelling of 55308960 in words is "fifty-five million, three hundred eight thousand, nine hundred sixty".