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50553442553 = 291743222157
BaseRepresentation
bin101111000101001110…
…000101000011111001
311211111011012222002012
4233011032011003321
51312013140130203
635120211415305
73436522112615
oct570516050371
9154434188065
1050553442553
111a492111699
12996a2b4535
1349c8617123
142638038345
1514ad267bd8
hexbc53850f9

50553442553 has 4 divisors (see below), whose sum is σ = 52296664740. Its totient is φ = 48810220368.

The previous prime is 50553442547. The next prime is 50553442573. The reversal of 50553442553 is 35524435505.

50553442553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30556088809 + 19997353744 = 174803^2 + 141412^2 .

It is a cyclic number.

It is not a de Polignac number, because 50553442553 - 28 = 50553442297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50553442553.

It is not an unprimeable number, because it can be changed into a prime (50553442573) 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, 871611050 + ... + 871611107.

It is an arithmetic number, because the mean of its divisors is an integer number (13074166185).

Almost surely, 250553442553 is an apocalyptic number.

It is an amenable number.

50553442553 is a deficient number, since it is larger than the sum of its proper divisors (1743222187).

50553442553 is a wasteful number, since it uses less digits than its factorization.

50553442553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743222186.

The product of its (nonzero) digits is 900000, while the sum is 41.

The spelling of 50553442553 in words is "fifty billion, five hundred fifty-three million, four hundred forty-two thousand, five hundred fifty-three".

Divisors: 1 29 1743222157 50553442553