53061517 has 2 divisors, whose sum is σ = 53061518. Its totient is φ = 53061516.

The previous prime is 53061499. The next prime is 53061563. The reversal of 53061517 is 71516035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36650916 + 16410601 = 6054^2 + 4051^2 .

It is a cyclic number.

It is not a de Polignac number, because 53061517 - 2⁷ = 53061389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53061017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26530758 + 26530759.

It is an arithmetic number, because the mean of its divisors is an integer number (26530759).

Almost surely, 2^53061517 is an apocalyptic number.

It is an amenable number.

53061517 is a deficient number, since it is larger than the sum of its proper divisors (1).

53061517 is an equidigital number, since it uses as much as digits as its factorization.

53061517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 53061517 is about 7284.3336689089. Note that the first 3 decimals coincide. The cubic root of 53061517 is about 375.7738496897.

The spelling of 53061517 in words is "fifty-three million, sixty-one thousand, five hundred seventeen".