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55250275025549 = 192907909211871
BaseRepresentation
bin11001000111111111101010…
…00001000100001010001101
321020121212121122212222210202
430203333311001010022031
524220210030401304144
6313301343112143245
714431462214664632
oct1443776501041215
9236555548788722
1055250275025549
111667156797563a
126243a59397b25
1324aa10383b526
14d901b0114189
1565c2be3c464e
hex323ff504428d

55250275025549 has 4 divisors (see below), whose sum is σ = 58158184237440. Its totient is φ = 52342365813660.

The previous prime is 55250275025531. The next prime is 55250275025551. The reversal of 55250275025549 is 94552057205255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55250275025549 - 212 = 55250275021453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55250275025494 and 55250275025503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55250275015549) 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, 1453954605917 + ... + 1453954605954.

It is an arithmetic number, because the mean of its divisors is an integer number (14539546059360).

Almost surely, 255250275025549 is an apocalyptic number.

It is an amenable number.

55250275025549 is a deficient number, since it is larger than the sum of its proper divisors (2907909211891).

55250275025549 is a wasteful number, since it uses less digits than its factorization.

55250275025549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907909211890.

The product of its (nonzero) digits is 31500000, while the sum is 56.

The spelling of 55250275025549 in words is "fifty-five trillion, two hundred fifty billion, two hundred seventy-five million, twenty-five thousand, five hundred forty-nine".

Divisors: 1 19 2907909211871 55250275025549