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54555860 = 2252727793
BaseRepresentation
bin1101000000011…
…1010011010100
310210122201120102
43100013103110
5102431241420
65225153232
71231500662
oct320072324
9123581512
1054555860
1128882697
121632b818
13b3c1c98
147361c32
154bc9a75
hex34074d4

54555860 has 12 divisors (see below), whose sum is σ = 114567348. Its totient is φ = 21822336.

The previous prime is 54555841. The next prime is 54555881. The reversal of 54555860 is 6855545.

It can be written as a sum of positive squares in 2 ways, for example, as 32239684 + 22316176 = 5678^2 + 4724^2 .

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 3 ways as a sum of consecutive naturals, for example, 1363877 + ... + 1363916.

It is an arithmetic number, because the mean of its divisors is an integer number (9547279).

Almost surely, 254555860 is an apocalyptic number.

It is an amenable number.

54555860 is an abundant number, since it is smaller than the sum of its proper divisors (60011488).

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

54555860 is a wasteful number, since it uses less digits than its factorization.

54555860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2727802 (or 2727800 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

The square root of 54555860 is about 7386.1938777695. The cubic root of 54555860 is about 379.2688155863.

The spelling of 54555860 in words is "fifty-four million, five hundred fifty-five thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 2727793 5455586 10911172 13638965 27277930 54555860