Base | Representation |
---|---|
bin | 1101001001010… |
… | …1010011100110 |
3 | 10211202021110000 |
4 | 3102111103212 |
5 | 103103400020 |
6 | 5245442130 |
7 | 1236442521 |
oct | 322252346 |
9 | 124667400 |
10 | 55137510 |
11 | 2913a69a |
12 | 16570346 |
13 | b56695c |
14 | 7473bb8 |
15 | 4c92090 |
hex | 34954e6 |
55137510 has 40 divisors (see below), whose sum is σ = 148260816. Its totient is φ = 14703120.
The previous prime is 55137503. The next prime is 55137517. The reversal of 55137510 is 1573155.
55137510 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (55137503) and next prime (55137517).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55137517) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 33226 + ... + 34845.
Almost surely, 255137510 is an apocalyptic number.
55137510 is an abundant number, since it is smaller than the sum of its proper divisors (93123306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55137510 is a wasteful number, since it uses less digits than its factorization.
55137510 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68090 (or 68081 counting only the distinct ones).
The product of its (nonzero) digits is 2625, while the sum is 27.
The square root of 55137510 is about 7425.4636218892. The cubic root of 55137510 is about 380.6119180633.
The spelling of 55137510 in words is "fifty-five million, one hundred thirty-seven thousand, five hundred ten".
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