55564220013213 has 8 divisors (see below), whose sum is σ = 78443604724608. Its totient is φ = 34863824321984.

The previous prime is 55564220013173. The next prime is 55564220013251. The reversal of 55564220013213 is 31231002246555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55564220013213 - 2⁸ = 55564220012957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55564220011213) 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, 544747254981 + ... + 544747255082.

It is an arithmetic number, because the mean of its divisors is an integer number (9805450590576).

Almost surely, 2^{55564220013213} is an apocalyptic number.

It is an amenable number.

55564220013213 is a deficient number, since it is larger than the sum of its proper divisors (22879384711395).

55564220013213 is a wasteful number, since it uses less digits than its factorization.

55564220013213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089494510083.

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 55564220013213 its reverse (31231002246555), we get a palindrome (86795222259768).

The spelling of 55564220013213 in words is "fifty-five trillion, five hundred sixty-four billion, two hundred twenty million, thirteen thousand, two hundred thirteen".