55403345849 has 8 divisors (see below), whose sum is σ = 58353193440. Its totient is φ = 52456886496.

The previous prime is 55403345813. The next prime is 55403345857. The reversal of 55403345849 is 94854330455.

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 55403345849 - 2¹² = 55403341753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55403345797 and 55403345806.

It is not an unprimeable number, because it can be changed into a prime (55403345869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 813452 + ... + 878925.

It is an arithmetic number, because the mean of its divisors is an integer number (7294149180).

Almost surely, 2^55403345849 is an apocalyptic number.

It is an amenable number.

55403345849 is a deficient number, since it is larger than the sum of its proper divisors (2949847591).

55403345849 is a wasteful number, since it uses less digits than its factorization.

55403345849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694119.

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 55403345849 in words is "fifty-five billion, four hundred three million, three hundred forty-five thousand, eight hundred forty-nine".