55002780052750 has 16 divisors (see below), whose sum is σ = 102965204259216. Its totient is φ = 22001112021000.

The previous prime is 55002780052741. The next prime is 55002780052807. The reversal of 55002780052750 is 5725008720055.

It is a self number, because there is not a number n which added to its sum of digits gives 55002780052750.

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, 110005559856 + ... + 110005560355.

It is an arithmetic number, because the mean of its divisors is an integer number (6435325266201).

Almost surely, 2^{55002780052750} is an apocalyptic number.

55002780052750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55002780052750 is a deficient number, since it is larger than the sum of its proper divisors (47962424206466).

55002780052750 is a wasteful number, since it uses less digits than its factorization.

55002780052750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220011120228 (or 220011120218 counting only the distinct ones).

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

The spelling of 55002780052750 in words is "fifty-five trillion, two billion, seven hundred eighty million, fifty-two thousand, seven hundred fifty".