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54055183 = 721384859
BaseRepresentation
bin1100111000110…
…1000100001111
310202201021202211
43032031010033
5102314231213
65210331251
71224314200
oct316150417
9122637684
1054055183
1128570506
1216129b27
13b278120
1472715a7
154b2b53d
hex338d10f

54055183 has 12 divisors (see below), whose sum is σ = 67718280. Its totient is φ = 42768432.

The previous prime is 54055163. The next prime is 54055193. The reversal of 54055183 is 38155045.

54055183 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54055183 - 213 = 54046991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54055153) 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 11 ways as a sum of consecutive naturals, for example, 41793 + ... + 43066.

It is an arithmetic number, because the mean of its divisors is an integer number (5643190).

Almost surely, 254055183 is an apocalyptic number.

54055183 is a deficient number, since it is larger than the sum of its proper divisors (13663097).

54055183 is a wasteful number, since it uses less digits than its factorization.

54055183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84886 (or 84879 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 54055183 is about 7352.2229971622. Note that the first 3 decimals coincide. The cubic root of 54055183 is about 378.1050234011.

The spelling of 54055183 in words is "fifty-four million, fifty-five thousand, one hundred eighty-three".

Divisors: 1 7 13 49 91 637 84859 594013 1103167 4158091 7722169 54055183