55065203310644 has 24 divisors (see below), whose sum is σ = 99157115597568. Its totient is φ = 26740621517760.

The previous prime is 55065203310613. The next prime is 55065203310647. The reversal of 55065203310644 is 44601330256055.

It is a junction number, because it is equal to n+sod(n) for n = 55065203310595 and 55065203310604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55065203310647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752796242 + ... + 752869385.

It is an arithmetic number, because the mean of its divisors is an integer number (4131546483232).

Almost surely, 2^{55065203310644} is an apocalyptic number.

It is an amenable number.

55065203310644 is a deficient number, since it is larger than the sum of its proper divisors (44091912286924).

55065203310644 is a wasteful number, since it uses less digits than its factorization.

55065203310644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505665895 (or 1505665893 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 44.

Adding to 55065203310644 its reverse (44601330256055), we get a palindrome (99666533566699).

The spelling of 55065203310644 in words is "fifty-five trillion, sixty-five billion, two hundred three million, three hundred ten thousand, six hundred forty-four".