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55500275 = 525341887
BaseRepresentation
bin1101001110110…
…1110111110011
310212102201001202
43103231313303
5103202002100
65301321415
71242513245
oct323556763
9125381052
1055500275
11293681a6
121670626b
13b662acc
14752a095
154d147d5
hex34eddf3

55500275 has 12 divisors (see below), whose sum is σ = 70120512. Its totient is φ = 43561440.

The previous prime is 55500239. The next prime is 55500283. The reversal of 55500275 is 57200555.

It is not a de Polignac number, because 55500275 - 212 = 55496179 is a prime.

It is a Duffinian number.

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, 19619 + ... + 22268.

It is an arithmetic number, because the mean of its divisors is an integer number (5843376).

Almost surely, 255500275 is an apocalyptic number.

55500275 is a deficient number, since it is larger than the sum of its proper divisors (14620237).

55500275 is a wasteful number, since it uses less digits than its factorization.

55500275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41950 (or 41945 counting only the distinct ones).

The product of its (nonzero) digits is 8750, while the sum is 29.

The square root of 55500275 is about 7449.8506696443. The cubic root of 55500275 is about 381.4448113045. Note that the first 3 decimals are identical.

The spelling of 55500275 in words is "fifty-five million, five hundred thousand, two hundred seventy-five".

Divisors: 1 5 25 53 265 1325 41887 209435 1047175 2220011 11100055 55500275