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54566045 = 5311971787
BaseRepresentation
bin1101000000100…
…1110010011101
310210200020112122
43100021302131
5102432103140
65225312325
71231542452
oct320116235
9123606478
1054566045
112888a306
12163356a5
13b3c6801
147365829
154bccab5
hex3409c9d

54566045 has 16 divisors (see below), whose sum is σ = 67972608. Its totient is φ = 42006720.

The previous prime is 54566021. The next prime is 54566053. The reversal of 54566045 is 54066545.

It is not a de Polignac number, because 54566045 - 28 = 54565789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54565996 and 54566014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29642 + ... + 31428.

It is an arithmetic number, because the mean of its divisors is an integer number (4248288).

Almost surely, 254566045 is an apocalyptic number.

It is an amenable number.

54566045 is a deficient number, since it is larger than the sum of its proper divisors (13406563).

54566045 is a wasteful number, since it uses less digits than its factorization.

54566045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 54566045 is about 7386.8833075933. The cubic root of 54566045 is about 379.2924159385.

Subtracting from 54566045 its reverse (54066545), we obtain a triangular number (499500 = T999).

The spelling of 54566045 in words is "fifty-four million, five hundred sixty-six thousand, forty-five".

Divisors: 1 5 31 155 197 985 1787 6107 8935 30535 55397 276985 352039 1760195 10913209 54566045