55558748416 has 36 divisors (see below), whose sum is σ = 112992959772. Its totient is φ = 27255228416.

The previous prime is 55558748389. The next prime is 55558748461. The reversal of 55558748416 is 61484785555.

55558748416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 15916345600 + 39642402816 = 126160^2 + 199104^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033851 + ... + 2060986.

It is an arithmetic number, because the mean of its divisors is an integer number (3138693327).

Almost surely, 2^55558748416 is an apocalyptic number.

It is an amenable number.

55558748416 is an abundant number, since it is smaller than the sum of its proper divisors (57434211356).

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

55558748416 is an equidigital number, since it uses as much as digits as its factorization.

55558748416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094906 (or 4094892 counting only the distinct ones).

The product of its digits is 26880000, while the sum is 58.

The spelling of 55558748416 in words is "fifty-five billion, five hundred fifty-eight million, seven hundred forty-eight thousand, four hundred sixteen".