55427449305 has 16 divisors (see below), whose sum is σ = 88751084544. Its totient is φ = 29538917760.

The previous prime is 55427449267. The next prime is 55427449309. The reversal of 55427449305 is 50394472455.

It is not a de Polignac number, because 55427449305 - 2¹⁹ = 55426925017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55427449309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1378809 + ... + 1418438.

It is an arithmetic number, because the mean of its divisors is an integer number (5546942784).

Almost surely, 2^55427449305 is an apocalyptic number.

It is an amenable number.

55427449305 is a deficient number, since it is larger than the sum of its proper divisors (33323635239).

55427449305 is a wasteful number, since it uses less digits than its factorization.

55427449305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798576.

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 55427449305 in words is "fifty-five billion, four hundred twenty-seven million, four hundred forty-nine thousand, three hundred five".