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55109410 = 2517219069
BaseRepresentation
bin1101001000111…
…0011100100010
310211200211220021
43102032130202
5103102000120
65245104054
71236264556
oct322163442
9124624807
1055109410
1129120574
121655802a
13b556c25
147467866
154c88aaa
hex348e722

55109410 has 24 divisors (see below), whose sum is σ = 105380820. Its totient is φ = 20745984.

The previous prime is 55109399. The next prime is 55109437. The reversal of 55109410 is 1490155.

It can be written as a sum of positive squares in 6 ways, for example, as 52838361 + 2271049 = 7269^2 + 1507^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6645 + ... + 12424.

Almost surely, 255109410 is an apocalyptic number.

55109410 is a deficient number, since it is larger than the sum of its proper divisors (50271410).

55109410 is a wasteful number, since it uses less digits than its factorization.

55109410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19110 (or 19093 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 55109410 is about 7423.5712430070. The cubic root of 55109410 is about 380.5472493693.

Adding to 55109410 its reverse (1490155), we get a palindrome (56599565).

The spelling of 55109410 in words is "fifty-five million, one hundred nine thousand, four hundred ten".

Divisors: 1 2 5 10 17 34 85 170 289 578 1445 2890 19069 38138 95345 190690 324173 648346 1620865 3241730 5510941 11021882 27554705 55109410