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53015497 is a prime number
BaseRepresentation
bin1100101000111…
…1001111001001
310200202110120221
43022033033021
5102032443442
65132150041
71212424063
oct312171711
9120673527
1053015497
1127a20367
1215908321
13aca2b22
147080733
1549c3467
hex328f3c9

53015497 has 2 divisors, whose sum is σ = 53015498. Its totient is φ = 53015496.

The previous prime is 53015489. The next prime is 53015519. The reversal of 53015497 is 79451035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51322896 + 1692601 = 7164^2 + 1301^2 .

It is a cyclic number.

It is not a de Polignac number, because 53015497 - 23 = 53015489 is a prime.

It is not a weakly prime, because it can be changed into another prime (53015407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26507748 + 26507749.

It is an arithmetic number, because the mean of its divisors is an integer number (26507749).

Almost surely, 253015497 is an apocalyptic number.

It is an amenable number.

53015497 is a deficient number, since it is larger than the sum of its proper divisors (1).

53015497 is an equidigital number, since it uses as much as digits as its factorization.

53015497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 53015497 is about 7281.1741498195. The cubic root of 53015497 is about 375.6651826471.

The spelling of 53015497 in words is "fifty-three million, fifteen thousand, four hundred ninety-seven".