55443123535 has 16 divisors (see below), whose sum is σ = 66626727552. Its totient is φ = 44291236000.

The previous prime is 55443123529. The next prime is 55443123577. The reversal of 55443123535 is 53532134455.

It is not a de Polignac number, because 55443123535 - 2²⁷ = 55308905807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16445400 + ... + 16448770.

It is an arithmetic number, because the mean of its divisors is an integer number (4164170472).

Almost surely, 2^55443123535 is an apocalyptic number.

55443123535 is a deficient number, since it is larger than the sum of its proper divisors (11183604017).

55443123535 is a wasteful number, since it uses less digits than its factorization.

55443123535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7094.

The product of its digits is 540000, while the sum is 40.

The spelling of 55443123535 in words is "fifty-five billion, four hundred forty-three million, one hundred twenty-three thousand, five hundred thirty-five".