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53017897 is a prime number
BaseRepresentation
bin1100101000111…
…1110100101001
310200202120212211
43022033310221
5102033033042
65132205121
71212434062
oct312176451
9120676784
1053017897
1127a22149
12159097a1
13aca3c4a
147081569
1549c4017
hex328fd29

53017897 has 2 divisors, whose sum is σ = 53017898. Its totient is φ = 53017896.

The previous prime is 53017891. The next prime is 53017919. The reversal of 53017897 is 79871035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52577001 + 440896 = 7251^2 + 664^2 .

It is a cyclic number.

It is not a de Polignac number, because 53017897 - 23 = 53017889 is a prime.

It is not a weakly prime, because it can be changed into another prime (53017891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26508948 + 26508949.

It is an arithmetic number, because the mean of its divisors is an integer number (26508949).

Almost surely, 253017897 is an apocalyptic number.

It is an amenable number.

53017897 is a deficient number, since it is larger than the sum of its proper divisors (1).

53017897 is an equidigital number, since it uses as much as digits as its factorization.

53017897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 53017897 is about 7281.3389565381. The cubic root of 53017897 is about 375.6708513219.

The spelling of 53017897 in words is "fifty-three million, seventeen thousand, eight hundred ninety-seven".