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54543039 = 318181013
BaseRepresentation
bin1101000000010…
…0001010111111
310210122001222120
43100010022333
5102430334124
65225014023
71231415415
oct320041277
9123561876
1054543039
1128873aa1
1216324313
13b3b91b5
14735b2b5
154bc5d79
hex34042bf

54543039 has 4 divisors (see below), whose sum is σ = 72724056. Its totient is φ = 36362024.

The previous prime is 54543037. The next prime is 54543059. The reversal of 54543039 is 93034545.

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

It is a cyclic number.

It is not a de Polignac number, because 54543039 - 21 = 54543037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54543037) 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, 9090504 + ... + 9090509.

It is an arithmetic number, because the mean of its divisors is an integer number (18181014).

Almost surely, 254543039 is an apocalyptic number.

54543039 is a deficient number, since it is larger than the sum of its proper divisors (18181017).

54543039 is a wasteful number, since it uses less digits than its factorization.

54543039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18181016.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 54543039 is about 7385.3259237491. The cubic root of 54543039 is about 379.2391030039.

The spelling of 54543039 in words is "fifty-four million, five hundred forty-three thousand, thirty-nine".

Divisors: 1 3 18181013 54543039