53581477 has 2 divisors, whose sum is σ = 53581478. Its totient is φ = 53581476.

The previous prime is 53581469. The next prime is 53581511. The reversal of 53581477 is 77418535.

53581477 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., 53012961 + 568516 = 7281^2 + 754^2 .

It is a cyclic number.

It is not a de Polignac number, because 53581477 - 2³ = 53581469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53581417) 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, 26790738 + 26790739.

It is an arithmetic number, because the mean of its divisors is an integer number (26790739).

Almost surely, 2^53581477 is an apocalyptic number.

It is an amenable number.

53581477 is a deficient number, since it is larger than the sum of its proper divisors (1).

53581477 is an equidigital number, since it uses as much as digits as its factorization.

53581477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 40.

The square root of 53581477 is about 7319.9369532804. The cubic root of 53581477 is about 376.9972888284.

The spelling of 53581477 in words is "fifty-three million, five hundred eighty-one thousand, four hundred seventy-seven".