55543867193 has 4 divisors (see below), whose sum is σ = 55557872640. Its totient is φ = 55529861748.

The previous prime is 55543867133. The next prime is 55543867207. The reversal of 55543867193 is 39176834555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55543867193 - 2¹⁶ = 55543801657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55543867103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6996773 + ... + 7004706.

It is an arithmetic number, because the mean of its divisors is an integer number (13889468160).

Almost surely, 2^55543867193 is an apocalyptic number.

It is an amenable number.

55543867193 is a deficient number, since it is larger than the sum of its proper divisors (14005447).

55543867193 is a wasteful number, since it uses less digits than its factorization.

55543867193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14005446.

The product of its digits is 13608000, while the sum is 56.

The spelling of 55543867193 in words is "fifty-five billion, five hundred forty-three million, eight hundred sixty-seven thousand, one hundred ninety-three".