55048405528778 has 8 divisors (see below), whose sum is σ = 82963947669600. Its totient is φ = 27393756305580.

The previous prime is 55048405528771. The next prime is 55048405528817. The reversal of 55048405528778 is 87782550484055.

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

It is not an unprimeable number, because it can be changed into a prime (55048405528771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65223228878 + ... + 65223229721.

It is an arithmetic number, because the mean of its divisors is an integer number (10370493458700).

Almost surely, 2^{55048405528778} is an apocalyptic number.

55048405528778 is a deficient number, since it is larger than the sum of its proper divisors (27915542140822).

55048405528778 is a wasteful number, since it uses less digits than its factorization.

55048405528778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130446458812.

The product of its (nonzero) digits is 501760000, while the sum is 68.

The spelling of 55048405528778 in words is "fifty-five trillion, forty-eight billion, four hundred five million, five hundred twenty-eight thousand, seven hundred seventy-eight".