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52557311 is a prime number
BaseRepresentation
bin1100100001111…
…1010111111111
310122220012002002
43020133113333
5101423313221
65114252515
71205505212
oct310372777
9118805062
1052557311
11277380a4
121572713b
13ab72401
146da1779
15493280b
hex321f5ff

52557311 has 2 divisors, whose sum is σ = 52557312. Its totient is φ = 52557310.

The previous prime is 52557301. The next prime is 52557347. The reversal of 52557311 is 11375525.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52557311 - 26 = 52557247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52557301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26278655 + 26278656.

It is an arithmetic number, because the mean of its divisors is an integer number (26278656).

Almost surely, 252557311 is an apocalyptic number.

52557311 is a deficient number, since it is larger than the sum of its proper divisors (1).

52557311 is an equidigital number, since it uses as much as digits as its factorization.

52557311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5250, while the sum is 29.

The square root of 52557311 is about 7249.6421290985. The cubic root of 52557311 is about 374.5798221180.

The spelling of 52557311 in words is "fifty-two million, five hundred fifty-seven thousand, three hundred eleven".