55325322660613 has 16 divisors (see below), whose sum is σ = 58972038048000. Its totient is φ = 51790765150080.

The previous prime is 55325322660551. The next prime is 55325322660649. The reversal of 55325322660613 is 31606622352355.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55325322660613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55325322160613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98800168 + ... + 99358561.

It is an arithmetic number, because the mean of its divisors is an integer number (3685752378000).

Almost surely, 2^{55325322660613} is an apocalyptic number.

It is an amenable number.

55325322660613 is a deficient number, since it is larger than the sum of its proper divisors (3646715387387).

55325322660613 is a wasteful number, since it uses less digits than its factorization.

55325322660613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198159012.

The product of its (nonzero) digits is 5832000, while the sum is 49.

The spelling of 55325322660613 in words is "fifty-five trillion, three hundred twenty-five billion, three hundred twenty-two million, six hundred sixty thousand, six hundred thirteen".