55528005025550 has 12 divisors (see below), whose sum is σ = 103282089347616. Its totient is φ = 22211202010200.

The previous prime is 55528005025499. The next prime is 55528005025589. The reversal of 55528005025550 is 5552050082555.

It is a junction number, because it is equal to n+sod(n) for n = 55528005025495 and 55528005025504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555280050206 + ... + 555280050305.

It is an arithmetic number, because the mean of its divisors is an integer number (8606840778968).

Almost surely, 2^{55528005025550} is an apocalyptic number.

55528005025550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55528005025550 is a deficient number, since it is larger than the sum of its proper divisors (47754084322066).

55528005025550 is a wasteful number, since it uses less digits than its factorization.

55528005025550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110560100523 (or 1110560100518 counting only the distinct ones).

The product of its (nonzero) digits is 2500000, while the sum is 47.

The spelling of 55528005025550 in words is "fifty-five trillion, five hundred twenty-eight billion, five million, twenty-five thousand, five hundred fifty".