53776853 has 4 divisors (see below), whose sum is σ = 57913548. Its totient is φ = 49640160.

The previous prime is 53776819. The next prime is 53776867. The reversal of 53776853 is 35867735.

53776853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35867735 = 5 ⋅7173547.

It can be written as a sum of positive squares in 2 ways, for example, as 5654884 + 48121969 = 2378^2 + 6937^2 .

It is a cyclic number.

It is not a de Polignac number, because 53776853 - 2¹⁰ = 53775829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53776153) 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 in 3 ways as a sum of consecutive naturals, for example, 2068328 + ... + 2068353.

It is an arithmetic number, because the mean of its divisors is an integer number (14478387).

Almost surely, 2^53776853 is an apocalyptic number.

It is an amenable number.

53776853 is a deficient number, since it is larger than the sum of its proper divisors (4136695).

53776853 is a wasteful number, since it uses less digits than its factorization.

53776853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136694.

The product of its digits is 529200, while the sum is 44.

The square root of 53776853 is about 7333.2702800320. The cubic root of 53776853 is about 377.4549524481.

The spelling of 53776853 in words is "fifty-three million, seven hundred seventy-six thousand, eight hundred fifty-three".