53552777 has 2 divisors, whose sum is σ = 53552778. Its totient is φ = 53552776.

The previous prime is 53552761. The next prime is 53552783. The reversal of 53552777 is 77725535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43414921 + 10137856 = 6589^2 + 3184^2 .

It is a cyclic number.

It is not a de Polignac number, because 53552777 - 2⁴ = 53552761 is a prime.

It is not a weakly prime, because it can be changed into another prime (53552747) 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, 26776388 + 26776389.

It is an arithmetic number, because the mean of its divisors is an integer number (26776389).

Almost surely, 2^53552777 is an apocalyptic number.

It is an amenable number.

53552777 is a deficient number, since it is larger than the sum of its proper divisors (1).

53552777 is an equidigital number, since it uses as much as digits as its factorization.

53552777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 257250, while the sum is 41.

The square root of 53552777 is about 7317.9762912980. The cubic root of 53552777 is about 376.9299660944.

The spelling of 53552777 in words is "fifty-three million, five hundred fifty-two thousand, seven hundred seventy-seven".