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50553303385 = 513777743129
BaseRepresentation
bin101111000101001101…
…100011000101011001
311211111010221220011211
4233011031203011121
51312013121202020
635120204423121
73436520663104
oct570515430531
9154433856154
1050553303385
111a492027082
12996a247aa1
1349c8598990
142637ddd73b
1514ad23b85a
hexbc5363159

50553303385 has 8 divisors (see below), whose sum is σ = 65330422920. Its totient is φ = 37331670144.

The previous prime is 50553303377. The next prime is 50553303431. The reversal of 50553303385 is 58330335505.

50553303385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 650658064 + 49902645321 = 25508^2 + 223389^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50553303385 - 23 = 50553303377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388871500 + ... + 388871629.

It is an arithmetic number, because the mean of its divisors is an integer number (8166302865).

Almost surely, 250553303385 is an apocalyptic number.

It is an amenable number.

50553303385 is a deficient number, since it is larger than the sum of its proper divisors (14777119535).

50553303385 is a wasteful number, since it uses less digits than its factorization.

50553303385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777743147.

The product of its (nonzero) digits is 405000, while the sum is 40.

The spelling of 50553303385 in words is "fifty billion, five hundred fifty-three million, three hundred three thousand, three hundred eighty-five".

Divisors: 1 5 13 65 777743129 3888715645 10110660677 50553303385