53218827 has 6 divisors (see below), whose sum is σ = 76871652. Its totient is φ = 35479212.

The previous prime is 53218817. The next prime is 53218859. The reversal of 53218827 is 72881235.

It is not a de Polignac number, because 53218827 - 2¹⁵ = 53186059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53218791 and 53218800.

It is not an unprimeable number, because it can be changed into a prime (53218807) 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 in 5 ways as a sum of consecutive naturals, for example, 2956593 + ... + 2956610.

It is an arithmetic number, because the mean of its divisors is an integer number (12811942).

Almost surely, 2^53218827 is an apocalyptic number.

53218827 is a deficient number, since it is larger than the sum of its proper divisors (23652825).

53218827 is a wasteful number, since it uses less digits than its factorization.

53218827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5913209 (or 5913206 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 53218827 is about 7295.1235082074. The cubic root of 53218827 is about 376.1448320688.

It can be divided in two parts, 53218 and 827, that added together give a palindrome (54045).

The spelling of 53218827 in words is "fifty-three million, two hundred eighteen thousand, eight hundred twenty-seven".