55255302802780 has 12 divisors (see below), whose sum is σ = 116036135885880. Its totient is φ = 22102121121104.

The previous prime is 55255302802753. The next prime is 55255302802781. The reversal of 55255302802780 is 8720820355255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55255302802781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1381382570050 + ... + 1381382570089.

It is an arithmetic number, because the mean of its divisors is an integer number (9669677990490).

Almost surely, 2^{55255302802780} is an apocalyptic number.

It is an amenable number.

55255302802780 is an abundant number, since it is smaller than the sum of its proper divisors (60780833083100).

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

55255302802780 is a wasteful number, since it uses less digits than its factorization.

55255302802780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762765140148 (or 2762765140146 counting only the distinct ones).

The product of its (nonzero) digits is 6720000, while the sum is 52.

The spelling of 55255302802780 in words is "fifty-five trillion, two hundred fifty-five billion, three hundred two million, eight hundred two thousand, seven hundred eighty".