53020403 has 2 divisors, whose sum is σ = 53020404. Its totient is φ = 53020402.

The previous prime is 53020379. The next prime is 53020423. The reversal of 53020403 is 30402035.

53020403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53020403 - 2⁸ = 53020147 is a prime.

It is a super-2 number, since 2×53020403² = 5622326268564818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53020423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26510201 + 26510202.

It is an arithmetic number, because the mean of its divisors is an integer number (26510202).

Almost surely, 2^53020403 is an apocalyptic number.

53020403 is a deficient number, since it is larger than the sum of its proper divisors (1).

53020403 is an equidigital number, since it uses as much as digits as its factorization.

53020403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 53020403 is about 7281.5110382392. The cubic root of 53020403 is about 375.6767701805.

Adding to 53020403 its reverse (30402035), we get a palindrome (83422438).

The spelling of 53020403 in words is "fifty-three million, twenty thousand, four hundred three".