53029939 has 2 divisors, whose sum is σ = 53029940. Its totient is φ = 53029938.

The previous prime is 53029937. The next prime is 53030011. The reversal of 53029939 is 93992035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53029939 - 2¹ = 53029937 is a prime.

Together with 53029937, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53029937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26514969 + 26514970.

It is an arithmetic number, because the mean of its divisors is an integer number (26514970).

Almost surely, 2^53029939 is an apocalyptic number.

53029939 is a deficient number, since it is larger than the sum of its proper divisors (1).

53029939 is an equidigital number, since it uses as much as digits as its factorization.

53029939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65610, while the sum is 40.

The square root of 53029939 is about 7282.1658179418. The cubic root of 53029939 is about 375.6992913153.

The spelling of 53029939 in words is "fifty-three million, twenty-nine thousand, nine hundred thirty-nine".