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53908531 is a prime number
BaseRepresentation
bin1100110110100…
…1010000110011
310202102211121021
43031221100303
5102300033111
65203240311
71223133505
oct315512063
9122384537
1053908531
1128480306
1216079097
13b226451
147233d75
154aecd71
hex3369433

53908531 has 2 divisors, whose sum is σ = 53908532. Its totient is φ = 53908530.

The previous prime is 53908499. The next prime is 53908549. The reversal of 53908531 is 13580935.

53908531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53908531 - 25 = 53908499 is a prime.

It is a super-2 number, since 2×539085312 = 5812259429155922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53908331) 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, 26954265 + 26954266.

It is an arithmetic number, because the mean of its divisors is an integer number (26954266).

Almost surely, 253908531 is an apocalyptic number.

53908531 is a deficient number, since it is larger than the sum of its proper divisors (1).

53908531 is an equidigital number, since it uses as much as digits as its factorization.

53908531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 53908531 is about 7342.2429134427. The cubic root of 53908531 is about 377.7627800627.

The spelling of 53908531 in words is "fifty-three million, nine hundred eight thousand, five hundred thirty-one".