55648719078 has 16 divisors (see below), whose sum is σ = 112377997056. Its totient is φ = 18369479880.

The previous prime is 55648719023. The next prime is 55648719127. The reversal of 55648719078 is 87091784655.

55648719078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55648719078² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45022618 + ... + 45023853.

It is an arithmetic number, because the mean of its divisors is an integer number (7023624816).

Almost surely, 2^55648719078 is an apocalyptic number.

55648719078 is an abundant number, since it is smaller than the sum of its proper divisors (56729277978).

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

55648719078 is a wasteful number, since it uses less digits than its factorization.

55648719078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90046579.

The product of its (nonzero) digits is 16934400, while the sum is 60.

The spelling of 55648719078 in words is "fifty-five billion, six hundred forty-eight million, seven hundred nineteen thousand, seventy-eight".