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52553123 = 743117419
BaseRepresentation
bin1100100001111…
…0010110100011
310122212222022222
43020132112203
5101423144443
65114221255
71205460050
oct310362643
9118788288
1052553123
1127734a37
121572482b
13ab7052c
146da0027
154931468
hex321e5a3

52553123 has 8 divisors (see below), whose sum is σ = 60203520. Its totient is φ = 44938440.

The previous prime is 52553119. The next prime is 52553131. The reversal of 52553123 is 32135525.

52553123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52553123 - 22 = 52553119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52553092 and 52553101.

It is not an unprimeable number, because it can be changed into a prime (52553113) 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, 5693 + ... + 11726.

It is an arithmetic number, because the mean of its divisors is an integer number (7525440).

Almost surely, 252553123 is an apocalyptic number.

52553123 is a deficient number, since it is larger than the sum of its proper divisors (7650397).

52553123 is a wasteful number, since it uses less digits than its factorization.

52553123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17857.

The product of its digits is 4500, while the sum is 26.

The square root of 52553123 is about 7249.3532815004. The cubic root of 52553123 is about 374.5698724591.

Adding to 52553123 its reverse (32135525), we get a palindrome (84688648).

The spelling of 52553123 in words is "fifty-two million, five hundred fifty-three thousand, one hundred twenty-three".

Divisors: 1 7 431 3017 17419 121933 7507589 52553123