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54511085 = 510902217
BaseRepresentation
bin1100111111110…
…0010111101101
310210120110011002
43033330113231
5102423323320
65224210045
71231223306
oct317742755
9123513132
1054511085
1128851a92
1216309925
13b3a77a5
14734d7ad
154bbb675
hex33fc5ed

54511085 has 4 divisors (see below), whose sum is σ = 65413308. Its totient is φ = 43608864.

The previous prime is 54511073. The next prime is 54511091. The reversal of 54511085 is 58011545.

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 20557156 + 33953929 = 4534^2 + 5827^2 .

It is a cyclic number.

It is not a de Polignac number, because 54511085 - 212 = 54506989 is a prime.

It is a Duffinian number.

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, 5451104 + ... + 5451113.

It is an arithmetic number, because the mean of its divisors is an integer number (16353327).

Almost surely, 254511085 is an apocalyptic number.

It is an amenable number.

54511085 is a deficient number, since it is larger than the sum of its proper divisors (10902223).

54511085 is a wasteful number, since it uses less digits than its factorization.

54511085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10902222.

The product of its (nonzero) digits is 4000, while the sum is 29.

The square root of 54511085 is about 7383.1622628790. The cubic root of 54511085 is about 379.1650295519.

The spelling of 54511085 in words is "fifty-four million, five hundred eleven thousand, eighty-five".

Divisors: 1 5 10902217 54511085