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52355789 is a prime number
BaseRepresentation
bin1100011110111…
…0001011001101
310122111221122022
43013232023031
5101400341124
65110055525
71204005533
oct307561315
9118457568
1052355789
112760a752
121564a5a5
13ab01775
146d4c153
1548e2c5e
hex31ee2cd

52355789 has 2 divisors, whose sum is σ = 52355790. Its totient is φ = 52355788.

The previous prime is 52355747. The next prime is 52355803. The reversal of 52355789 is 98755325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45333289 + 7022500 = 6733^2 + 2650^2 .

It is a cyclic number.

It is not a de Polignac number, because 52355789 - 224 = 35578573 is a prime.

It is a super-2 number, since 2×523557892 = 5482257283625042, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52355489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26177894 + 26177895.

It is an arithmetic number, because the mean of its divisors is an integer number (26177895).

Almost surely, 252355789 is an apocalyptic number.

It is an amenable number.

52355789 is a deficient number, since it is larger than the sum of its proper divisors (1).

52355789 is an equidigital number, since it uses as much as digits as its factorization.

52355789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 44.

The square root of 52355789 is about 7235.7300253672. The cubic root of 52355789 is about 374.1004548712.

The spelling of 52355789 in words is "fifty-two million, three hundred fifty-five thousand, seven hundred eighty-nine".