55027783028 has 12 divisors (see below), whose sum is σ = 96328539972. Its totient is φ = 27505343040.

The previous prime is 55027782991. The next prime is 55027783039. The reversal of 55027783028 is 82038772055.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31936549264 + 23091233764 = 178708^2 + 151958^2 .

It is a congruent 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, 2122625 + ... + 2148392.

It is an arithmetic number, because the mean of its divisors is an integer number (8027378331).

Almost surely, 2^55027783028 is an apocalyptic number.

It is an amenable number.

55027783028 is a deficient number, since it is larger than the sum of its proper divisors (41300756944).

55027783028 is a wasteful number, since it uses less digits than its factorization.

55027783028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4274242 (or 4274240 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 55027783028 in words is "fifty-five billion, twenty-seven million, seven hundred eighty-three thousand, twenty-eight".