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53894857 is a prime number
BaseRepresentation
bin1100110110010…
…1111011001001
310202102010211211
43031211323021
5102244113412
65203053121
71223045602
oct315457311
9122363754
1053894857
1128471005
12160711a1
13b220163
14722cda9
154ae8ca7
hex3365ec9

53894857 has 2 divisors, whose sum is σ = 53894858. Its totient is φ = 53894856.

The previous prime is 53894837. The next prime is 53894861. The reversal of 53894857 is 75849835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38987536 + 14907321 = 6244^2 + 3861^2 .

It is a cyclic number.

It is not a de Polignac number, because 53894857 - 215 = 53862089 is a prime.

It is a super-2 number, since 2×538948572 = 5809311222100898, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53894857.

It is not a weakly prime, because it can be changed into another prime (53894807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26947428 + 26947429.

It is an arithmetic number, because the mean of its divisors is an integer number (26947429).

Almost surely, 253894857 is an apocalyptic number.

It is an amenable number.

53894857 is a deficient number, since it is larger than the sum of its proper divisors (1).

53894857 is an equidigital number, since it uses as much as digits as its factorization.

53894857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 49.

The square root of 53894857 is about 7341.3116675428. The cubic root of 53894857 is about 377.7308372825.

The spelling of 53894857 in words is "fifty-three million, eight hundred ninety-four thousand, eight hundred fifty-seven".