53827785 has 48 divisors (see below), whose sum is σ = 104569920. Its totient is φ = 25384320.

The previous prime is 53827777. The next prime is 53827789. The reversal of 53827785 is 58772835.

53827785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53827785 - 2³ = 53827777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 53827785.

It is not an unprimeable number, because it can be changed into a prime (53827789) 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 47 ways as a sum of consecutive naturals, for example, 16846 + ... + 19784.

It is an arithmetic number, because the mean of its divisors is an integer number (2178540).

Almost surely, 2^53827785 is an apocalyptic number.

53827785 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53827785 is a deficient number, since it is larger than the sum of its proper divisors (50742135).

53827785 is a wasteful number, since it uses less digits than its factorization.

53827785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2998 (or 2995 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 53827785 is about 7336.7421244037. The cubic root of 53827785 is about 377.5740772424.

The spelling of 53827785 in words is "fifty-three million, eight hundred twenty-seven thousand, seven hundred eighty-five".