55500505244551 has 8 divisors (see below), whose sum is σ = 55520732047104. Its totient is φ = 55480279008000.

The previous prime is 55500505244549. The next prime is 55500505244563. The reversal of 55500505244551 is 15544250500555.

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 55500505244551 - 2¹ = 55500505244549 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 (55500505244501) 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, 360313551 + ... + 360467551.

It is an arithmetic number, because the mean of its divisors is an integer number (6940091505888).

Almost surely, 2^{55500505244551} is an apocalyptic number.

55500505244551 is a deficient number, since it is larger than the sum of its proper divisors (20226802553).

55500505244551 is a wasteful number, since it uses less digits than its factorization.

55500505244551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283001.

The product of its (nonzero) digits is 2500000, while the sum is 46.

The spelling of 55500505244551 in words is "fifty-five trillion, five hundred billion, five hundred five million, two hundred forty-four thousand, five hundred fifty-one".