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54485725 = 527311347
BaseRepresentation
bin1100111111011…
…0001011011101
310210112011100211
43033312023131
5102422020400
65223452421
71231056340
oct317661335
9123464324
1054485725
1128834a28
12162b7111
13b399098
147344457
154bb3dba
hex33f62dd

54485725 has 12 divisors (see below), whose sum is σ = 77214304. Its totient is φ = 37361520.

The previous prime is 54485713. The next prime is 54485797. The reversal of 54485725 is 52758445.

It is not a de Polignac number, because 54485725 - 29 = 54485213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155499 + ... + 155848.

Almost surely, 254485725 is an apocalyptic number.

It is an amenable number.

54485725 is a deficient number, since it is larger than the sum of its proper divisors (22728579).

54485725 is a wasteful number, since it uses less digits than its factorization.

54485725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311364 (or 311359 counting only the distinct ones).

The product of its digits is 224000, while the sum is 40.

The square root of 54485725 is about 7381.4446418028. Note that the first 3 decimals coincide. The cubic root of 54485725 is about 379.1062212277.

The spelling of 54485725 in words is "fifty-four million, four hundred eighty-five thousand, seven hundred twenty-five".

Divisors: 1 5 7 25 35 175 311347 1556735 2179429 7783675 10897145 54485725