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55454112 = 2533753173
BaseRepresentation
bin1101001110001…
…0100110100000
310212100100202000
43103202212200
5103144012422
65300324000
71242231540
oct323424640
9125310660
1055454112
112933654a
12166a3600
13b647aac
147517320
154d05cac
hex34e29a0

55454112 has 192 divisors, whose sum is σ = 189423360. Its totient is φ = 15455232.

The previous prime is 55454107. The next prime is 55454131. The reversal of 55454112 is 21145455.

55454112 is a `hidden beast` number, since 5 + 545 + 4 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 320458 + ... + 320630.

It is an arithmetic number, because the mean of its divisors is an integer number (986580).

Almost surely, 255454112 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 55454112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94711680).

55454112 is an abundant number, since it is smaller than the sum of its proper divisors (133969248).

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

55454112 is a wasteful number, since it uses less digits than its factorization.

55454112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 238 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 55454112 is about 7446.7517751030. The cubic root of 55454112 is about 381.3390249149.

Adding to 55454112 its reverse (21145455), we get a palindrome (76599567).

The spelling of 55454112 in words is "fifty-five million, four hundred fifty-four thousand, one hundred twelve".