27755255508 has 48 divisors (see below), whose sum is σ = 64966661760. Its totient is φ = 9222595200.

The previous prime is 27755255503. The next prime is 27755255509. The reversal of 27755255508 is 80555255772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27755255503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7903473 + ... + 7906983.

It is an arithmetic number, because the mean of its divisors is an integer number (1353472120).

Almost surely, 2^27755255508 is an apocalyptic number.

It is an amenable number.

27755255508 is an abundant number, since it is smaller than the sum of its proper divisors (37211406252).

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

27755255508 is a wasteful number, since it uses less digits than its factorization.

27755255508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5408 (or 5406 counting only the distinct ones).

The product of its (nonzero) digits is 4900000, while the sum is 51.

The spelling of 27755255508 in words is "twenty-seven billion, seven hundred fifty-five million, two hundred fifty-five thousand, five hundred eight".