27553866484 has 24 divisors (see below), whose sum is σ = 49518644616. Its totient is φ = 13407360000.

The previous prime is 27553866479. The next prime is 27553866491. The reversal of 27553866484 is 48466835572.

It can be written as a sum of positive squares in 4 ways, for example, as 11614803984 + 15939062500 = 107772^2 + 126250^2 .

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, 143727 + ... + 275254.

It is an arithmetic number, because the mean of its divisors is an integer number (2063276859).

Almost surely, 2^27553866484 is an apocalyptic number.

It is an amenable number.

27553866484 is a deficient number, since it is larger than the sum of its proper divisors (21964778132).

27553866484 is a wasteful number, since it uses less digits than its factorization.

27553866484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419427 (or 419425 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 58.

The spelling of 27553866484 in words is "twenty-seven billion, five hundred fifty-three million, eight hundred sixty-six thousand, four hundred eighty-four".