55347123424487 has 4 divisors (see below), whose sum is σ = 55363749178320. Its totient is φ = 55330497670656.

The previous prime is 55347123424433. The next prime is 55347123424529. The reversal of 55347123424487 is 78442432174355.

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 55347123424487 - 2¹⁰ = 55347123423463 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 (55347123424427) 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, 8312871923 + ... + 8312878580.

It is an arithmetic number, because the mean of its divisors is an integer number (13840937294580).

Almost surely, 2^{55347123424487} is an apocalyptic number.

55347123424487 is a deficient number, since it is larger than the sum of its proper divisors (16625753833).

55347123424487 is a wasteful number, since it uses less digits than its factorization.

55347123424487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16625753832.

The product of its digits is 90316800, while the sum is 59.

The spelling of 55347123424487 in words is "fifty-five trillion, three hundred forty-seven billion, one hundred twenty-three million, four hundred twenty-four thousand, four hundred eighty-seven".