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54530644 = 2273375779
BaseRepresentation
bin1101000000000…
…1001001010100
310210121102222111
43100001021110
5102424440034
65224440404
71231334320
oct320011124
9123542874
1054530644
1128865753
1216319104
13b3b366c
147356980
154bc2364
hex3401254

54530644 has 24 divisors (see below), whose sum is σ = 109403840. Its totient is φ = 23296896.

The previous prime is 54530633. The next prime is 54530647. The reversal of 54530644 is 44603545.

54530644 = T392 + T393 + ... + T728.

It is a super-2 number, since 2×545306442 = 5947182270109472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54530647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6547 + ... + 12325.

Almost surely, 254530644 is an apocalyptic number.

It is an amenable number.

54530644 is an abundant number, since it is smaller than the sum of its proper divisors (54873196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54530644 is a wasteful number, since it uses less digits than its factorization.

54530644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6127 (or 6125 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 54530644 is about 7384.4867120200. The cubic root of 54530644 is about 379.2103732467.

The spelling of 54530644 in words is "fifty-four million, five hundred thirty thousand, six hundred forty-four".

Divisors: 1 2 4 7 14 28 337 674 1348 2359 4718 5779 9436 11558 23116 40453 80906 161812 1947523 3895046 7790092 13632661 27265322 54530644