55447854860 has 12 divisors (see below), whose sum is σ = 116440495248. Its totient is φ = 22179141936.

The previous prime is 55447854859. The next prime is 55447854863. The reversal of 55447854860 is 6845874455.

It is a junction number, because it is equal to n+sod(n) for n = 55447854796 and 55447854805.

It is not an unprimeable number, because it can be changed into a prime (55447854863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1386196352 + ... + 1386196391.

It is an arithmetic number, because the mean of its divisors is an integer number (9703374604).

Almost surely, 2^55447854860 is an apocalyptic number.

It is an amenable number.

55447854860 is an abundant number, since it is smaller than the sum of its proper divisors (60992640388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55447854860 is a wasteful number, since it uses less digits than its factorization.

55447854860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772392752 (or 2772392750 counting only the distinct ones).

The product of its (nonzero) digits is 21504000, while the sum is 56.

The spelling of 55447854860 in words is "fifty-five billion, four hundred forty-seven million, eight hundred fifty-four thousand, eight hundred sixty".