53222785 has 16 divisors (see below), whose sum is σ = 79627392. Its totient is φ = 33177600.

The previous prime is 53222783. The next prime is 53222789. The reversal of 53222785 is 58722235.

It is not a de Polignac number, because 53222785 - 2¹ = 53222783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53222785.

It is not an unprimeable number, because it can be changed into a prime (53222783) 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 15 ways as a sum of consecutive naturals, for example, 68736 + ... + 69505.

It is an arithmetic number, because the mean of its divisors is an integer number (4976712).

Almost surely, 2^53222785 is an apocalyptic number.

53222785 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53222785 is a deficient number, since it is larger than the sum of its proper divisors (26404607).

53222785 is a wasteful number, since it uses less digits than its factorization.

53222785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138264.

The product of its digits is 33600, while the sum is 34.

The square root of 53222785 is about 7295.3947802706. The cubic root of 53222785 is about 376.1541567409.

The spelling of 53222785 in words is "fifty-three million, two hundred twenty-two thousand, seven hundred eighty-five".