53278020177828 has 48 divisors (see below), whose sum is σ = 128378213343744. Its totient is φ = 17179405528320.

The previous prime is 53278020177803. The next prime is 53278020177829. The reversal of 53278020177828 is 82877102087235.

It is a happy number.

53278020177828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53278020177829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28478025 + ... + 30291152.

It is an arithmetic number, because the mean of its divisors is an integer number (2674546111328).

Almost surely, 2^{53278020177828} is an apocalyptic number.

It is an amenable number.

53278020177828 is an abundant number, since it is smaller than the sum of its proper divisors (75100193165916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53278020177828 is a wasteful number, since it uses less digits than its factorization.

53278020177828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58771652 (or 58771650 counting only the distinct ones).

The product of its (nonzero) digits is 21073920, while the sum is 60.

The spelling of 53278020177828 in words is "fifty-three trillion, two hundred seventy-eight billion, twenty million, one hundred seventy-seven thousand, eight hundred twenty-eight".