53427139 has 2 divisors, whose sum is σ = 53427140. Its totient is φ = 53427138.

The previous prime is 53427119. The next prime is 53427161. The reversal of 53427139 is 93172435.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53427139 - 2⁹ = 53426627 is a prime.

It is not a weakly prime, because it can be changed into another prime (53427119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26713569 + 26713570.

It is an arithmetic number, because the mean of its divisors is an integer number (26713570).

Almost surely, 2^53427139 is an apocalyptic number.

53427139 is a deficient number, since it is larger than the sum of its proper divisors (1).

53427139 is an equidigital number, since it uses as much as digits as its factorization.

53427139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 53427139 is about 7309.3870468050. The cubic root of 53427139 is about 376.6349685737.

The spelling of 53427139 in words is "fifty-three million, four hundred twenty-seven thousand, one hundred thirty-nine".