55488493487 has 8 divisors (see below), whose sum is σ = 63417924000. Its totient is φ = 47559688704.

The previous prime is 55488493429. The next prime is 55488493507. The reversal of 55488493487 is 78439488455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55488493487 - 2⁸ = 55488493231 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 (55488493787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52139 + ... + 337187.

It is an arithmetic number, because the mean of its divisors is an integer number (7927240500).

Almost surely, 2^55488493487 is an apocalyptic number.

55488493487 is a deficient number, since it is larger than the sum of its proper divisors (7929430513).

55488493487 is a wasteful number, since it uses less digits than its factorization.

55488493487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312865.

The product of its digits is 154828800, while the sum is 65.

The spelling of 55488493487 in words is "fifty-five billion, four hundred eighty-eight million, four hundred ninety-three thousand, four hundred eighty-seven".