53651539 has 2 divisors, whose sum is σ = 53651540. Its totient is φ = 53651538.

The previous prime is 53651527. The next prime is 53651593. The reversal of 53651539 is 93515635.

Together with next prime (53651593) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53651539 - 2⁹ = 53651027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53651498 and 53651507.

It is not a weakly prime, because it can be changed into another prime (53651509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26825769 + 26825770.

It is an arithmetic number, because the mean of its divisors is an integer number (26825770).

Almost surely, 2^53651539 is an apocalyptic number.

53651539 is a deficient number, since it is larger than the sum of its proper divisors (1).

53651539 is an equidigital number, since it uses as much as digits as its factorization.

53651539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60750, while the sum is 37.

The square root of 53651539 is about 7324.7210868401. The cubic root of 53651539 is about 377.1615351404.

The spelling of 53651539 in words is "fifty-three million, six hundred fifty-one thousand, five hundred thirty-nine".