53506777 has 2 divisors, whose sum is σ = 53506778. Its totient is φ = 53506776.

The previous prime is 53506771. The next prime is 53506823. The reversal of 53506777 is 77760535.

53506777 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., 37015056 + 16491721 = 6084^2 + 4061^2 .

It is a cyclic number.

It is not a de Polignac number, because 53506777 - 2¹⁵ = 53474009 is a prime.

It is not a weakly prime, because it can be changed into another prime (53506771) 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, 26753388 + 26753389.

It is an arithmetic number, because the mean of its divisors is an integer number (26753389).

Almost surely, 2^53506777 is an apocalyptic number.

It is an amenable number.

53506777 is a deficient number, since it is larger than the sum of its proper divisors (1).

53506777 is an equidigital number, since it uses as much as digits as its factorization.

53506777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 154350, while the sum is 40.

The square root of 53506777 is about 7314.8326706768. The cubic root of 53506777 is about 376.8220118714.

The spelling of 53506777 in words is "fifty-three million, five hundred six thousand, seven hundred seventy-seven".