53551549 has 2 divisors, whose sum is σ = 53551550. Its totient is φ = 53551548.

The previous prime is 53551541. The next prime is 53551577. The reversal of 53551549 is 94515535.

53551549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52099524 + 1452025 = 7218^2 + 1205^2 .

It is a cyclic number.

It is not a de Polignac number, because 53551549 - 2³ = 53551541 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53551541) 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, 26775774 + 26775775.

It is an arithmetic number, because the mean of its divisors is an integer number (26775775).

Almost surely, 2^53551549 is an apocalyptic number.

It is an amenable number.

53551549 is a deficient number, since it is larger than the sum of its proper divisors (1).

53551549 is an equidigital number, since it uses as much as digits as its factorization.

53551549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67500, while the sum is 37.

The square root of 53551549 is about 7317.8923878395. The cubic root of 53551549 is about 376.9270849893.

The spelling of 53551549 in words is "fifty-three million, five hundred fifty-one thousand, five hundred forty-nine".