53223240111550 has 48 divisors (see below), whose sum is σ = 100681248844800. Its totient is φ = 20926768949600.

The previous prime is 53223240111529. The next prime is 53223240111563. The reversal of 53223240111550 is 5511104232235.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36090165 + ... + 37535935.

It is an arithmetic number, because the mean of its divisors is an integer number (2097526017600).

Almost surely, 2^{53223240111550} is an apocalyptic number.

53223240111550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53223240111550 is a deficient number, since it is larger than the sum of its proper divisors (47458008733250).

53223240111550 is a wasteful number, since it uses less digits than its factorization.

53223240111550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458321 (or 1458316 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 53223240111550 its reverse (5511104232235), we get a palindrome (58734344343785).

The spelling of 53223240111550 in words is "fifty-three trillion, two hundred twenty-three billion, two hundred forty million, one hundred eleven thousand, five hundred fifty".