55054987896687 has 24 divisors (see below), whose sum is σ = 74390306928000. Its totient is φ = 36217885671888.

The previous prime is 55054987896641. The next prime is 55054987896737. The reversal of 55054987896687 is 78669878945055.

It is not a de Polignac number, because 55054987896687 - 2⁸ = 55054987896431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55054987886687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15752064 + ... + 18927162.

It is an arithmetic number, because the mean of its divisors is an integer number (3099596122000).

Almost surely, 2^{55054987896687} is an apocalyptic number.

55054987896687 is a deficient number, since it is larger than the sum of its proper divisors (19335319031313).

55054987896687 is an equidigital number, since it uses as much as digits as its factorization.

55054987896687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176107 (or 3176024 counting only the distinct ones).

The product of its (nonzero) digits is 36578304000, while the sum is 87.

The spelling of 55054987896687 in words is "fifty-five trillion, fifty-four billion, nine hundred eighty-seven million, eight hundred ninety-six thousand, six hundred eighty-seven".