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54389825 = 5272313513
BaseRepresentation
bin1100111101111…
…0110001000001
310210100021210222
43033132301001
5102410433300
65221432425
71230206630
oct317366101
9123307728
1054389825
1128779976
121626b715
13b364539
14731b517
154b95785
hex33dec41

54389825 has 24 divisors (see below), whose sum is σ = 80435328. Its totient is φ = 35671680.

The previous prime is 54389809. The next prime is 54389827. The reversal of 54389825 is 52898345.

It is not a de Polignac number, because 54389825 - 24 = 54389809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54389827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2732 + ... + 10781.

It is an arithmetic number, because the mean of its divisors is an integer number (3351472).

Almost surely, 254389825 is an apocalyptic number.

It is an amenable number.

54389825 is a deficient number, since it is larger than the sum of its proper divisors (26045503).

54389825 is a wasteful number, since it uses less digits than its factorization.

54389825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13553 (or 13548 counting only the distinct ones).

The product of its digits is 345600, while the sum is 44.

The square root of 54389825 is about 7374.9457625124. The cubic root of 54389825 is about 378.8836697388.

The spelling of 54389825 in words is "fifty-four million, three hundred eighty-nine thousand, eight hundred twenty-five".

Divisors: 1 5 7 23 25 35 115 161 175 575 805 4025 13513 67565 94591 310799 337825 472955 1553995 2175593 2364775 7769975 10877965 54389825