53055444012 has 12 divisors (see below), whose sum is σ = 123796036056. Its totient is φ = 17685148000.

The previous prime is 53055443983. The next prime is 53055444019. The reversal of 53055444012 is 21044455035.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×53055444012² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53055444019) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2210643489 + ... + 2210643512.

It is an arithmetic number, because the mean of its divisors is an integer number (10316336338).

Almost surely, 2^53055444012 is an apocalyptic number.

It is an amenable number.

53055444012 is an abundant number, since it is smaller than the sum of its proper divisors (70740592044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53055444012 is a wasteful number, since it uses less digits than its factorization.

53055444012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421287008 (or 4421287006 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 53055444012 its reverse (21044455035), we get a palindrome (74099899047).

The spelling of 53055444012 in words is "fifty-three billion, fifty-five million, four hundred forty-four thousand, twelve".