53607139 has 2 divisors, whose sum is σ = 53607140. Its totient is φ = 53607138.

The previous prime is 53607121. The next prime is 53607163. The reversal of 53607139 is 93170635.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53607139 - 2⁷ = 53607011 is a prime.

It is not a weakly prime, because it can be changed into another prime (53607439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26803569 + 26803570.

It is an arithmetic number, because the mean of its divisors is an integer number (26803570).

Almost surely, 2^53607139 is an apocalyptic number.

53607139 is a deficient number, since it is larger than the sum of its proper divisors (1).

53607139 is an equidigital number, since it uses as much as digits as its factorization.

53607139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 53607139 is about 7321.6896274016. The cubic root of 53607139 is about 377.0574648500.

The spelling of 53607139 in words is "fifty-three million, six hundred seven thousand, one hundred thirty-nine".