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54245537 = 113480049
BaseRepresentation
bin1100111011101…
…1100010100001
310210001221212222
43032323202201
5102341324122
65214400425
71226036153
oct316734241
9123057788
1054245537
1128690525
1216200115
13b313968
1472c0ad3
154b67b42
hex33bb8a1

54245537 has 4 divisors (see below), whose sum is σ = 54725700. Its totient is φ = 53765376.

The previous prime is 54245507. The next prime is 54245539. The reversal of 54245537 is 73554245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73554245 = 514710849.

It can be written as a sum of positive squares in 2 ways, for example, as 13808656 + 40436881 = 3716^2 + 6359^2 .

It is a cyclic number.

It is not a de Polignac number, because 54245537 - 28 = 54245281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54245497 and 54245506.

It is not an unprimeable number, because it can be changed into a prime (54245539) 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, 239912 + ... + 240137.

It is an arithmetic number, because the mean of its divisors is an integer number (13681425).

Almost surely, 254245537 is an apocalyptic number.

It is an amenable number.

54245537 is a deficient number, since it is larger than the sum of its proper divisors (480163).

54245537 is a wasteful number, since it uses less digits than its factorization.

54245537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480162.

The product of its digits is 84000, while the sum is 35.

The square root of 54245537 is about 7365.1569569154. The cubic root of 54245537 is about 378.5483326261.

The spelling of 54245537 in words is "fifty-four million, two hundred forty-five thousand, five hundred thirty-seven".

Divisors: 1 113 480049 54245537