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53887375 = 53431099
BaseRepresentation
bin1100110110010…
…0000110001111
310202101202120201
43031210012033
5102243344000
65202554331
71223015023
oct315440617
9122352521
1053887375
1128466423
12160689a7
13b219929
14722a383
154ae696a
hex336418f

53887375 has 8 divisors (see below), whose sum is σ = 67251600. Its totient is φ = 43109800.

The previous prime is 53887373. The next prime is 53887391. The reversal of 53887375 is 57378835.

53887375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53887375 - 21 = 53887373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53887373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215425 + ... + 215674.

It is an arithmetic number, because the mean of its divisors is an integer number (8406450).

Almost surely, 253887375 is an apocalyptic number.

53887375 is a deficient number, since it is larger than the sum of its proper divisors (13364225).

53887375 is an equidigital number, since it uses as much as digits as its factorization.

53887375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431114 (or 431104 counting only the distinct ones).

The product of its digits is 705600, while the sum is 46.

The square root of 53887375 is about 7340.8020678942. The cubic root of 53887375 is about 377.7133568705.

The spelling of 53887375 in words is "fifty-three million, eight hundred eighty-seven thousand, three hundred seventy-five".

Divisors: 1 5 25 125 431099 2155495 10777475 53887375