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54535133 = 173207949
BaseRepresentation
bin1101000000001…
…0001111011101
310210121200010202
43100002033131
5102430111013
65224513245
71231353362
oct320021735
9123550122
1054535133
1128869064
121631b825
13b3b5713
147358469
154bc3858
hex34023dd

54535133 has 4 divisors (see below), whose sum is σ = 57743100. Its totient is φ = 51327168.

The previous prime is 54535097. The next prime is 54535141. The reversal of 54535133 is 33153545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33153545 = 56630709.

It can be written as a sum of positive squares in 2 ways, for example, as 41190724 + 13344409 = 6418^2 + 3653^2 .

It is a cyclic number.

It is not a de Polignac number, because 54535133 - 26 = 54535069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54535096 and 54535105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54535153) 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, 1603958 + ... + 1603991.

It is an arithmetic number, because the mean of its divisors is an integer number (14435775).

Almost surely, 254535133 is an apocalyptic number.

It is an amenable number.

54535133 is a deficient number, since it is larger than the sum of its proper divisors (3207967).

54535133 is a wasteful number, since it uses less digits than its factorization.

54535133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3207966.

The product of its digits is 13500, while the sum is 29.

The square root of 54535133 is about 7384.7906537694. The cubic root of 54535133 is about 379.2207785805.

Adding to 54535133 its reverse (33153545), we get a palindrome (87688678).

The spelling of 54535133 in words is "fifty-four million, five hundred thirty-five thousand, one hundred thirty-three".

Divisors: 1 17 3207949 54535133