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54518045 = 510903609
BaseRepresentation
bin1100111111111…
…0000100011101
310210120210200212
43033332010131
5102424034140
65224302205
71231252511
oct317760435
9123523625
1054518045
112885723a
1216311965
13b3aa9ca
147352141
154bbd765
hex33fe11d

54518045 has 4 divisors (see below), whose sum is σ = 65421660. Its totient is φ = 43614432.

The previous prime is 54518033. The next prime is 54518063. The reversal of 54518045 is 54081545.

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 28026436 + 26491609 = 5294^2 + 5147^2 .

It is a cyclic number.

It is not a de Polignac number, because 54518045 - 214 = 54501661 is a prime.

It is a Curzon 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, 5451800 + ... + 5451809.

It is an arithmetic number, because the mean of its divisors is an integer number (16355415).

Almost surely, 254518045 is an apocalyptic number.

It is an amenable number.

54518045 is a deficient number, since it is larger than the sum of its proper divisors (10903615).

54518045 is a wasteful number, since it uses less digits than its factorization.

54518045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10903614.

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 54518045 is about 7383.6335905840. The cubic root of 54518045 is about 379.1811661860.

The spelling of 54518045 in words is "fifty-four million, five hundred eighteen thousand, forty-five".

Divisors: 1 5 10903609 54518045