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52557475524 = 2234379789627
BaseRepresentation
bin110000111100101010…
…110110111011000100
312000122211011101111120
4300330222312323010
51330114203204044
640051121033540
73540265112421
oct607452667304
9160584141446
1052557475524
1120320363294
12a2294858b0
134c57874058
142788262d48
151579175519
hexc3cab6ec4

52557475524 has 12 divisors (see below), whose sum is σ = 122634109584. Its totient is φ = 17519158504.

The previous prime is 52557475447. The next prime is 52557475543. The reversal of 52557475524 is 42557475525.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2189894802 + ... + 2189894825.

It is an arithmetic number, because the mean of its divisors is an integer number (10219509132).

Almost surely, 252557475524 is an apocalyptic number.

It is an amenable number.

52557475524 is an abundant number, since it is smaller than the sum of its proper divisors (70076634060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52557475524 is a wasteful number, since it uses less digits than its factorization.

52557475524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379789634 (or 4379789632 counting only the distinct ones).

The product of its digits is 9800000, while the sum is 51.

Subtracting from 52557475524 its reverse (42557475525), we obtain a palindrome (9999999999).

The spelling of 52557475524 in words is "fifty-two billion, five hundred fifty-seven million, four hundred seventy-five thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 12 4379789627 8759579254 13139368881 17519158508 26278737762 52557475524