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53156111 is a prime number
BaseRepresentation
bin1100101011000…
…1100100001111
310201000121110212
43022301210033
5102101443421
65135153035
71213551041
oct312614417
9121017425
1053156111
1128006a78
121597577b
13b021b28
1470b9a91
1549eee5b
hex32b190f

53156111 has 2 divisors, whose sum is σ = 53156112. Its totient is φ = 53156110.

The previous prime is 53156083. The next prime is 53156113. The reversal of 53156111 is 11165135.

53156111 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 53156111 - 222 = 48961807 is a prime.

Together with 53156113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53156113) 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, 26578055 + 26578056.

It is an arithmetic number, because the mean of its divisors is an integer number (26578056).

Almost surely, 253156111 is an apocalyptic number.

53156111 is a deficient number, since it is larger than the sum of its proper divisors (1).

53156111 is an equidigital number, since it uses as much as digits as its factorization.

53156111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 450, while the sum is 23.

The square root of 53156111 is about 7290.8237531845. The cubic root of 53156111 is about 375.9970173862.

The spelling of 53156111 in words is "fifty-three million, one hundred fifty-six thousand, one hundred eleven".