53020039 has 2 divisors, whose sum is σ = 53020040. Its totient is φ = 53020038.

The previous prime is 53020003. The next prime is 53020043. The reversal of 53020039 is 93002035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53020039 - 2¹⁵ = 52987271 is a prime.

It is a super-2 number, since 2×53020039² = 5622249071123042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53020049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26510019 + 26510020.

It is an arithmetic number, because the mean of its divisors is an integer number (26510020).

Almost surely, 2^53020039 is an apocalyptic number.

53020039 is a deficient number, since it is larger than the sum of its proper divisors (1).

53020039 is an equidigital number, since it uses as much as digits as its factorization.

53020039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 53020039 is about 7281.4860433843. The cubic root of 53020039 is about 375.6759104696.

The spelling of 53020039 in words is "fifty-three million, twenty thousand, thirty-nine".