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54455225 = 5211712789
BaseRepresentation
bin1100111110111…
…0101110111001
310210110121112012
43033232232321
5102420031400
65223055305
71230601406
oct317565671
9123417465
1054455225
1128814020
12162a1535
13b388236
1473372ad
154ba9d35
hex33eebb9

54455225 has 24 divisors (see below), whose sum is σ = 74727360. Its totient is φ = 39032000.

The previous prime is 54455207. The next prime is 54455239. The reversal of 54455225 is 52255445.

It is not a de Polignac number, because 54455225 - 26 = 54455161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54455191 and 54455200.

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, 18131 + ... + 20919.

It is an arithmetic number, because the mean of its divisors is an integer number (3113640).

Almost surely, 254455225 is an apocalyptic number.

54455225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54455225 is a deficient number, since it is larger than the sum of its proper divisors (20272135).

54455225 is a wasteful number, since it uses less digits than its factorization.

54455225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881 (or 2876 counting only the distinct ones).

The product of its digits is 40000, while the sum is 32.

The square root of 54455225 is about 7379.3783613527. The cubic root of 54455225 is about 379.0354693751.

The spelling of 54455225 in words is "fifty-four million, four hundred fifty-five thousand, two hundred twenty-five".

Divisors: 1 5 11 25 55 71 275 355 781 1775 2789 3905 13945 19525 30679 69725 153395 198019 766975 990095 2178209 4950475 10891045 54455225