Base | Representation |
---|---|
bin | 110011010000011111… |
… | …111111111111111111 |
3 | 12021001200001122222222 |
4 | 303100133333333333 |
5 | 1400204120011322 |
6 | 41141155555555 |
7 | 3655612236440 |
oct | 632037777777 |
9 | 167050048888 |
10 | 55037657087 |
11 | 21383360416 |
12 | a7bbbbbbbb |
13 | 52616548ca |
14 | 29417d52c7 |
15 | 1671c88e42 |
hex | cd07fffff |
55037657087 has 4 divisors (see below), whose sum is σ = 62900179536. Its totient is φ = 47175134640.
The previous prime is 55037657071. The next prime is 55037657113. The reversal of 55037657087 is 78075673055.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 55037657087 - 24 = 55037657071 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55037657057) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3931261214 + ... + 3931261227.
It is an arithmetic number, because the mean of its divisors is an integer number (15725044884).
Almost surely, 255037657087 is an apocalyptic number.
55037657087 is a deficient number, since it is larger than the sum of its proper divisors (7862522449).
55037657087 is an equidigital number, since it uses as much as digits as its factorization.
55037657087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7862522448.
The product of its (nonzero) digits is 6174000, while the sum is 53.
The spelling of 55037657087 in words is "fifty-five billion, thirty-seven million, six hundred fifty-seven thousand, eighty-seven".
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