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54555030 = 2325797673
BaseRepresentation
bin1101000000011…
…1000110010110
310210122200102200
43100013012112
5102431230110
65225145330
71231465365
oct320070626
9123580380
1054555030
1128882002
121632b246
13b3c17aa
1473617dc
154bc96c0
hex3407196

54555030 has 48 divisors (see below), whose sum is σ = 143657280. Its totient is φ = 14361984.

The previous prime is 54555019. The next prime is 54555041. The reversal of 54555030 is 3055545.

It is an interprime number because it is at equal distance from previous prime (54555019) and next prime (54555041).

It is a junction number, because it is equal to n+sod(n) for n = 54554985 and 54555003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3274 + ... + 10946.

It is an arithmetic number, because the mean of its divisors is an integer number (2992860).

Almost surely, 254555030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54555030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71828640).

54555030 is an abundant number, since it is smaller than the sum of its proper divisors (89102250).

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

54555030 is a wasteful number, since it uses less digits than its factorization.

54555030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7765 (or 7762 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 54555030 is about 7386.1376916491. The cubic root of 54555030 is about 379.2668922077.

The spelling of 54555030 in words is "fifty-four million, five hundred fifty-five thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 79 90 158 237 395 474 711 790 1185 1422 2370 3555 7110 7673 15346 23019 38365 46038 69057 76730 115095 138114 230190 345285 606167 690570 1212334 1818501 3030835 3637002 5455503 6061670 9092505 10911006 18185010 27277515 54555030