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54557043 = 318185681
BaseRepresentation
bin1101000000011…
…1100101110011
310210122210012020
43100013211303
5102431311133
65225202523
71231504302
oct320074563
9123583166
1054557043
1128883572
1216330443
13b3c2698
147362439
154bca0b3
hex3407973

54557043 has 4 divisors (see below), whose sum is σ = 72742728. Its totient is φ = 36371360.

The previous prime is 54557021. The next prime is 54557051. The reversal of 54557043 is 34075545.

54557043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54557043 is a prime.

It is a super-3 number, since 3×545570433 (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54556995 and 54557013.

It is not an unprimeable number, because it can be changed into a prime (54557003) 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 3 ways as a sum of consecutive naturals, for example, 9092838 + ... + 9092843.

It is an arithmetic number, because the mean of its divisors is an integer number (18185682).

Almost surely, 254557043 is an apocalyptic number.

54557043 is a deficient number, since it is larger than the sum of its proper divisors (18185685).

54557043 is a wasteful number, since it uses less digits than its factorization.

54557043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18185684.

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 54557043 is about 7386.2739591759. The cubic root of 54557043 is about 379.2715569463.

The spelling of 54557043 in words is "fifty-four million, five hundred fifty-seven thousand, forty-three".

Divisors: 1 3 18185681 54557043