27552755550 has 48 divisors (see below), whose sum is σ = 68466867840. Its totient is φ = 7332774240.

The previous prime is 27552755501. The next prime is 27552755561. The reversal of 27552755550 is 5555725572.

It is a self number, because there is not a number n which added to its sum of digits gives 27552755550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107140 + ... + 258039.

It is an arithmetic number, because the mean of its divisors is an integer number (1426393080).

Almost surely, 2^27552755550 is an apocalyptic number.

27552755550 is an abundant number, since it is smaller than the sum of its proper divisors (40914112290).

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

27552755550 is a wasteful number, since it uses less digits than its factorization.

27552755550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365697 (or 365692 counting only the distinct ones).

The product of its (nonzero) digits is 3062500, while the sum is 48.

The spelling of 27552755550 in words is "twenty-seven billion, five hundred fifty-two million, seven hundred fifty-five thousand, five hundred fifty".