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54510685 = 510902137
BaseRepresentation
bin1100111111110…
…0010001011101
310210120102121021
43033330101131
5102423320220
65224204141
71231222165
oct317742135
9123512537
1054510685
1128851759
1216309651
13b3a7558
14734d5a5
154bbb4aa
hex33fc45d

54510685 has 4 divisors (see below), whose sum is σ = 65412828. Its totient is φ = 43608544.

The previous prime is 54510671. The next prime is 54510697. The reversal of 54510685 is 58601545.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26822041 + 27688644 = 5179^2 + 5262^2 .

It is a cyclic number.

It is not a de Polignac number, because 54510685 - 29 = 54510173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54510685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5451064 + ... + 5451073.

It is an arithmetic number, because the mean of its divisors is an integer number (16353207).

Almost surely, 254510685 is an apocalyptic number.

It is an amenable number.

54510685 is a deficient number, since it is larger than the sum of its proper divisors (10902143).

54510685 is a wasteful number, since it uses less digits than its factorization.

54510685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10902142.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 54510685 is about 7383.1351741655. The cubic root of 54510685 is about 379.1641021174.

The spelling of 54510685 in words is "fifty-four million, five hundred ten thousand, six hundred eighty-five".

Divisors: 1 5 10902137 54510685