53581277 has 2 divisors, whose sum is σ = 53581278. Its totient is φ = 53581276.

The previous prime is 53581243. The next prime is 53581327. The reversal of 53581277 is 77218535.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53304601 + 276676 = 7301^2 + 526^2 .

It is a cyclic number.

It is not a de Polignac number, because 53581277 - 2¹⁰ = 53580253 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53581277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53581477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26790638 + 26790639.

It is an arithmetic number, because the mean of its divisors is an integer number (26790639).

Almost surely, 2^53581277 is an apocalyptic number.

It is an amenable number.

53581277 is a deficient number, since it is larger than the sum of its proper divisors (1).

53581277 is an equidigital number, since it uses as much as digits as its factorization.

53581277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58800, while the sum is 38.

The square root of 53581277 is about 7319.9232919478. The cubic root of 53581277 is about 376.9968197636.

The spelling of 53581277 in words is "fifty-three million, five hundred eighty-one thousand, two hundred seventy-seven".