55468135487 has 4 divisors (see below), whose sum is σ = 56136426360. Its totient is φ = 54799844616.

The previous prime is 55468135351. The next prime is 55468135501. The reversal of 55468135487 is 78453186455.

55468135487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55468135487 - 2⁸ = 55468135231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55468135787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334145312 + ... + 334145477.

It is an arithmetic number, because the mean of its divisors is an integer number (14034106590).

Almost surely, 2^55468135487 is an apocalyptic number.

55468135487 is a deficient number, since it is larger than the sum of its proper divisors (668290873).

55468135487 is an equidigital number, since it uses as much as digits as its factorization.

55468135487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668290872.

The product of its digits is 16128000, while the sum is 56.

The spelling of 55468135487 in words is "fifty-five billion, four hundred sixty-eight million, one hundred thirty-five thousand, four hundred eighty-seven".