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52563881755 = 5711373366031
BaseRepresentation
bin110000111101000011…
…010010111100011011
312000200021012212012101
4300331003102330123
51330122323204010
640051510224231
73540403423450
oct607503227433
9160607185171
1052563881755
1120323a393a0
12a22b655077
134c58ca7c18
14278904d827
1515799dd73a
hexc3d0d2f1b

52563881755 has 32 divisors (see below), whose sum is σ = 78852077568. Its totient is φ = 32679158400.

The previous prime is 52563881743. The next prime is 52563881803. The reversal of 52563881755 is 55718836525.

It is not a de Polignac number, because 52563881755 - 211 = 52563879707 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a junction number, because it is equal to n+sod(n) for n = 52563881696 and 52563881705.

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 31 ways as a sum of consecutive naturals, for example, 39411 + ... + 326620.

It is an arithmetic number, because the mean of its divisors is an integer number (2464127424).

Almost surely, 252563881755 is an apocalyptic number.

52563881755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

52563881755 is a deficient number, since it is larger than the sum of its proper divisors (26288195813).

52563881755 is a wasteful number, since it uses less digits than its factorization.

52563881755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366427.

The product of its digits is 10080000, while the sum is 55.

The spelling of 52563881755 in words is "fifty-two billion, five hundred sixty-three million, eight hundred eighty-one thousand, seven hundred fifty-five".

Divisors: 1 5 7 11 35 55 77 373 385 1865 2611 4103 13055 20515 28721 143605 366031 1830155 2562217 4026341 12811085 20131705 28184387 136529563 140921935 682647815 955706941 1501825193 4778534705 7509125965 10512776351 52563881755