55434255109 has 4 divisors (see below), whose sum is σ = 55678459104. Its totient is φ = 55190051116.

The previous prime is 55434255103. The next prime is 55434255127. The reversal of 55434255109 is 90155243455.

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 55434255109 - 2⁹ = 55434254597 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 (55434255103) 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, 122101657 + ... + 122102110.

It is an arithmetic number, because the mean of its divisors is an integer number (13919614776).

Almost surely, 2^55434255109 is an apocalyptic number.

It is an amenable number.

55434255109 is a deficient number, since it is larger than the sum of its proper divisors (244203995).

55434255109 is a wasteful number, since it uses less digits than its factorization.

55434255109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244203994.

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 55434255109 in words is "fifty-five billion, four hundred thirty-four million, two hundred fifty-five thousand, one hundred nine".