53020493 has 2 divisors, whose sum is σ = 53020494. Its totient is φ = 53020492.

The previous prime is 53020481. The next prime is 53020523. The reversal of 53020493 is 39402035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30713764 + 22306729 = 5542^2 + 4723^2 .

It is a cyclic number.

It is not a de Polignac number, because 53020493 - 2¹⁰ = 53019469 is a prime.

It is a super-2 number, since 2×53020493² = 5622345355926098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53020403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26510246 + 26510247.

It is an arithmetic number, because the mean of its divisors is an integer number (26510247).

Almost surely, 2^53020493 is an apocalyptic number.

It is an amenable number.

53020493 is a deficient number, since it is larger than the sum of its proper divisors (1).

53020493 is an equidigital number, since it uses as much as digits as its factorization.

53020493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 53020493 is about 7281.5172182726. The cubic root of 53020493 is about 375.6769827458.

The spelling of 53020493 in words is "fifty-three million, twenty thousand, four hundred ninety-three".