55788550418 has 8 divisors (see below), whose sum is σ = 84423381948. Its totient is φ = 27647423104.

The previous prime is 55788550403. The next prime is 55788550459. The reversal of 55788550418 is 81405588755.

55788550418 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 54794850889 + 993699529 = 234083^2 + 31523^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×55788550418² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

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, 123425771 + ... + 123426222.

Almost surely, 2^55788550418 is an apocalyptic number.

55788550418 is a deficient number, since it is larger than the sum of its proper divisors (28634831530).

55788550418 is a wasteful number, since it uses less digits than its factorization.

55788550418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246852108.

The product of its (nonzero) digits is 8960000, while the sum is 56.

The spelling of 55788550418 in words is "fifty-five billion, seven hundred eighty-eight million, five hundred fifty thousand, four hundred eighteen".