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54685485 = 3256531861
BaseRepresentation
bin1101000010011…
…0111100101101
310210220022101100
43100212330231
5102444413420
65232033313
71232550621
oct320467455
9123808340
1054685485
1128961018
1216392839
13b438c9a
147397181
154c03190
hex3426f2d

54685485 has 24 divisors (see below), whose sum is σ = 94984344. Its totient is φ = 29105280.

The previous prime is 54685417. The next prime is 54685493. The reversal of 54685485 is 58458645.

It can be written as a sum of positive squares in 4 ways, for example, as 2064969 + 52620516 = 1437^2 + 7254^2 .

It is not a de Polignac number, because 54685485 - 28 = 54685229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 54685485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28455 + ... + 30315.

It is an arithmetic number, because the mean of its divisors is an integer number (3957681).

Almost surely, 254685485 is an apocalyptic number.

It is an amenable number.

54685485 is a deficient number, since it is larger than the sum of its proper divisors (40298859).

54685485 is a wasteful number, since it uses less digits than its factorization.

54685485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525 (or 2522 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

The square root of 54685485 is about 7394.9634887537. The cubic root of 54685485 is about 379.5689595401.

The spelling of 54685485 in words is "fifty-four million, six hundred eighty-five thousand, four hundred eighty-five".

Divisors: 1 3 5 9 15 45 653 1861 1959 3265 5583 5877 9305 9795 16749 27915 29385 83745 1215233 3645699 6076165 10937097 18228495 54685485