55025052778 has 24 divisors (see below), whose sum is σ = 85063549284. Its totient is φ = 26679652800.

The previous prime is 55025052763. The next prime is 55025052827. The reversal of 55025052778 is 87725052055.

It can be written as a sum of positive squares in 2 ways, for example, as 54740557089 + 284495689 = 233967^2 + 16867^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2274868 + ... + 2298928.

Almost surely, 2^55025052778 is an apocalyptic number.

55025052778 is a deficient number, since it is larger than the sum of its proper divisors (30038496506).

55025052778 is a wasteful number, since it uses less digits than its factorization.

55025052778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24438 (or 24271 counting only the distinct ones).

The product of its (nonzero) digits is 980000, while the sum is 46.

The spelling of 55025052778 in words is "fifty-five billion, twenty-five million, fifty-two thousand, seven hundred seventy-eight".