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54055541 = 367314717
BaseRepresentation
bin1100111000110…
…1001001110101
310202201022021002
43032031021311
5102314234131
65210333045
71224315221
oct316151165
9122638232
1054055541
1128570801
121612a185
13b278337
147271781
154b2b6cb
hex338d275

54055541 has 4 divisors (see below), whose sum is σ = 54073932. Its totient is φ = 54037152.

The previous prime is 54055531. The next prime is 54055549. The reversal of 54055541 is 14555045.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8439025 + 45616516 = 2905^2 + 6754^2 .

It is a cyclic number.

It is not a de Polignac number, because 54055541 - 214 = 54039157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54055549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3686 + ... + 11031.

It is an arithmetic number, because the mean of its divisors is an integer number (13518483).

Almost surely, 254055541 is an apocalyptic number.

It is an amenable number.

54055541 is a deficient number, since it is larger than the sum of its proper divisors (18391).

54055541 is a wasteful number, since it uses less digits than its factorization.

54055541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18390.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 54055541 is about 7352.2473434998. The cubic root of 54055541 is about 378.1058581117.

The spelling of 54055541 in words is "fifty-four million, fifty-five thousand, five hundred forty-one".

Divisors: 1 3673 14717 54055541