53445222044 has 6 divisors (see below), whose sum is σ = 93529138584. Its totient is φ = 26722611020.

The previous prime is 53445222029. The next prime is 53445222049. The reversal of 53445222044 is 44022254435.

It is a junction number, because it is equal to n+sod(n) for n = 53445221995 and 53445222013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53445222049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6680652752 + ... + 6680652759.

It is an arithmetic number, because the mean of its divisors is an integer number (15588189764).

Almost surely, 2^53445222044 is an apocalyptic number.

It is an amenable number.

53445222044 is a deficient number, since it is larger than the sum of its proper divisors (40083916540).

53445222044 is a wasteful number, since it uses less digits than its factorization.

53445222044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13361305515 (or 13361305513 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 53445222044 its reverse (44022254435), we get a palindrome (97467476479).

The spelling of 53445222044 in words is "fifty-three billion, four hundred forty-five million, two hundred twenty-two thousand, forty-four".