53020549 has 2 divisors, whose sum is σ = 53020550. Its totient is φ = 53020548.

The previous prime is 53020531. The next prime is 53020553. The reversal of 53020549 is 94502035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52056225 + 964324 = 7215^2 + 982^2 .

It is a cyclic number.

It is not a de Polignac number, because 53020549 - 2¹⁷ = 52889477 is a prime.

It is a super-2 number, since 2×53020549² = 5622357232522802, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53020579) 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, 26510274 + 26510275.

It is an arithmetic number, because the mean of its divisors is an integer number (26510275).

Almost surely, 2^53020549 is an apocalyptic number.

It is an amenable number.

53020549 is a deficient number, since it is larger than the sum of its proper divisors (1).

53020549 is an equidigital number, since it uses as much as digits as its factorization.

53020549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 53020549 is about 7281.5210636240. The cubic root of 53020549 is about 375.6771150085.

The spelling of 53020549 in words is "fifty-three million, twenty thousand, five hundred forty-nine".