55535054321 has 4 divisors (see below), whose sum is σ = 55536089712. Its totient is φ = 55534018932.

The previous prime is 55535054291. The next prime is 55535054327. The reversal of 55535054321 is 12345053555.

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 55535054321 - 2⁶ = 55535054257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55535054327) 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, 432575 + ... + 546068.

It is an arithmetic number, because the mean of its divisors is an integer number (13884022428).

Almost surely, 2^55535054321 is an apocalyptic number.

It is an amenable number.

55535054321 is a deficient number, since it is larger than the sum of its proper divisors (1035391).

55535054321 is an equidigital number, since it uses as much as digits as its factorization.

55535054321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035390.

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 55535054321 in words is "fifty-five billion, five hundred thirty-five million, fifty-four thousand, three hundred twenty-one".