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50505255253 = 471074579899
BaseRepresentation
bin101111000010010110…
…010000100101010101
311211100210112210112101
4233002112100211111
51311413321132003
635111330522101
73435365405065
oct570226204525
9154323483471
1050505255253
111a467999882
129956136331
1349bb644b2b
1426318933a5
1514a8dea11d
hexbc2590955

50505255253 has 4 divisors (see below), whose sum is σ = 51579835200. Its totient is φ = 49430675308.

The previous prime is 50505255223. The next prime is 50505255299. The reversal of 50505255253 is 35255250505.

It is a happy number.

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 50505255253 - 25 = 50505255221 is a prime.

It is a super-3 number, since 3×505052552533 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50505255223) 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, 537289903 + ... + 537289996.

It is an arithmetic number, because the mean of its divisors is an integer number (12894958800).

Almost surely, 250505255253 is an apocalyptic number.

It is an amenable number.

50505255253 is a deficient number, since it is larger than the sum of its proper divisors (1074579947).

50505255253 is a wasteful number, since it uses less digits than its factorization.

50505255253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074579946.

The product of its (nonzero) digits is 187500, while the sum is 37.

The spelling of 50505255253 in words is "fifty billion, five hundred five million, two hundred fifty-five thousand, two hundred fifty-three".

Divisors: 1 47 1074579899 50505255253