55027553005557 has 12 divisors (see below), whose sum is σ = 86710083524064. Its totient is φ = 33350032124520.

The previous prime is 55027553005553. The next prime is 55027553005583. The reversal of 55027553005557 is 75550035572055.

55027553005557 is a `hidden beast` number, since 5 + 5 + 0 + 2 + 7 + 5 + 530 + 0 + 55 + 57 = 666.

It is not a de Polignac number, because 55027553005557 - 2² = 55027553005553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55027553005553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277916934273 + ... + 277916934470.

It is an arithmetic number, because the mean of its divisors is an integer number (7225840293672).

Almost surely, 2^{55027553005557} is an apocalyptic number.

It is an amenable number.

55027553005557 is a deficient number, since it is larger than the sum of its proper divisors (31682530518507).

55027553005557 is a wasteful number, since it uses less digits than its factorization.

55027553005557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555833868760 (or 555833868757 counting only the distinct ones).

The product of its (nonzero) digits is 22968750, while the sum is 54.

The spelling of 55027553005557 in words is "fifty-five trillion, twenty-seven billion, five hundred fifty-three million, five thousand, five hundred fifty-seven".