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55154454 = 2319483811
BaseRepresentation
bin1101001001100…
…1011100010110
310211210010200120
43102121130112
5103104420304
65250052410
71236543105
oct322313426
9124703616
1055154454
11291513a3
121657a106
13b571594
14747a03c
154c970d9
hex3499716

55154454 has 16 divisors (see below), whose sum is σ = 116114880. Its totient is φ = 17417160.

The previous prime is 55154447. The next prime is 55154459. The reversal of 55154454 is 45445155.

55154454 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 (55154459) 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 7 ways as a sum of consecutive naturals, for example, 241792 + ... + 242019.

It is an arithmetic number, because the mean of its divisors is an integer number (7257180).

Almost surely, 255154454 is an apocalyptic number.

55154454 is an abundant number, since it is smaller than the sum of its proper divisors (60960426).

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

55154454 is a wasteful number, since it uses less digits than its factorization.

55154454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483835.

The product of its digits is 40000, while the sum is 33.

The square root of 55154454 is about 7426.6044731088. The cubic root of 55154454 is about 380.6509019773.

The spelling of 55154454 in words is "fifty-five million, one hundred fifty-four thousand, four hundred fifty-four".

Divisors: 1 2 3 6 19 38 57 114 483811 967622 1451433 2902866 9192409 18384818 27577227 55154454