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52549831 is a prime number
BaseRepresentation
bin1100100001110…
…1100011000111
310122212210211001
43020131203013
5101423043311
65114154131
71205444335
oct310354307
9118783731
1052549831
1127732514
1215722947
13ab6bb99
146d9cb55
1549304c1
hex321d8c7

52549831 has 2 divisors, whose sum is σ = 52549832. Its totient is φ = 52549830.

The previous prime is 52549813. The next prime is 52549837. The reversal of 52549831 is 13894525.

52549831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (52549813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52549831 - 25 = 52549799 is a prime.

It is a super-2 number, since 2×525498312 = 5522969476257122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52549837) 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 as a sum of consecutive naturals, namely, 26274915 + 26274916.

It is an arithmetic number, because the mean of its divisors is an integer number (26274916).

Almost surely, 252549831 is an apocalyptic number.

52549831 is a deficient number, since it is larger than the sum of its proper divisors (1).

52549831 is an equidigital number, since it uses as much as digits as its factorization.

52549831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 37.

The square root of 52549831 is about 7249.1262232079. The cubic root of 52549831 is about 374.5620511049.

The spelling of 52549831 in words is "fifty-two million, five hundred forty-nine thousand, eight hundred thirty-one".