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54061543 = 190728349
BaseRepresentation
bin1100111000111…
…0100111100111
310202201121111101
43032032213213
5102314432133
65210420531
71224341554
oct316164747
9122647441
1054061543
1128575268
1216131747
13b27aca3
147273a2b
154b2d37d
hex338e9e7

54061543 has 4 divisors (see below), whose sum is σ = 54091800. Its totient is φ = 54031288.

The previous prime is 54061541. The next prime is 54061549. The reversal of 54061543 is 34516045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34516045 = 56903209.

It is a cyclic number.

It is not a de Polignac number, because 54061543 - 21 = 54061541 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 (54061541) 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, 12268 + ... + 16081.

It is an arithmetic number, because the mean of its divisors is an integer number (13522950).

Almost surely, 254061543 is an apocalyptic number.

54061543 is a deficient number, since it is larger than the sum of its proper divisors (30257).

54061543 is a wasteful number, since it uses less digits than its factorization.

54061543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30256.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 54061543 is about 7352.6555066860. The cubic root of 54061543 is about 378.1198517888.

Adding to 54061543 its reverse (34516045), we get a palindrome (88577588).

The spelling of 54061543 in words is "fifty-four million, sixty-one thousand, five hundred forty-three".

Divisors: 1 1907 28349 54061543