27755252800550 has 36 divisors (see below), whose sum is σ = 56744582142948. Its totient is φ = 10092819198000.

The previous prime is 27755252800543. The next prime is 27755252800607. The reversal of 27755252800550 is 5500825255772.

It is a junction number, because it is equal to n+sod(n) for n = 27755252800492 and 27755252800501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2293816496 + ... + 2293828595.

Almost surely, 2^{27755252800550} is an apocalyptic number.

27755252800550 is an abundant number, since it is smaller than the sum of its proper divisors (28989329342398).

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

27755252800550 is a wasteful number, since it uses less digits than its factorization.

27755252800550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587645125 (or 4587645109 counting only the distinct ones).

The product of its (nonzero) digits is 9800000, while the sum is 53.

The spelling of 27755252800550 in words is "twenty-seven trillion, seven hundred fifty-five billion, two hundred fifty-two million, eight hundred thousand, five hundred fifty".