53849531 has 2 divisors, whose sum is σ = 53849532. Its totient is φ = 53849530.

The previous prime is 53849527. The next prime is 53849581. The reversal of 53849531 is 13594835.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53849531 - 2² = 53849527 is a prime.

It is a super-2 number, since 2×53849531² = 5799543977839922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53849581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26924765 + 26924766.

It is an arithmetic number, because the mean of its divisors is an integer number (26924766).

Almost surely, 2^53849531 is an apocalyptic number.

53849531 is a deficient number, since it is larger than the sum of its proper divisors (1).

53849531 is an equidigital number, since it uses as much as digits as its factorization.

53849531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 38.

The square root of 53849531 is about 7338.2239676914. The cubic root of 53849531 is about 377.6249160452.

The spelling of 53849531 in words is "fifty-three million, eight hundred forty-nine thousand, five hundred thirty-one".