55551534647 has 8 divisors (see below), whose sum is σ = 64080809856. Its totient is φ = 47170594872.

The previous prime is 55551534631. The next prime is 55551534679. The reversal of 55551534647 is 74643515555.

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 55551534647 - 2⁴ = 55551534631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55551534595 and 55551534604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55551534347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37083053 + ... + 37084550.

It is an arithmetic number, because the mean of its divisors is an integer number (8010101232).

Almost surely, 2^55551534647 is an apocalyptic number.

55551534647 is a deficient number, since it is larger than the sum of its proper divisors (8529275209).

55551534647 is a wasteful number, since it uses less digits than its factorization.

55551534647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74167717.

The product of its digits is 6300000, while the sum is 50.

The spelling of 55551534647 in words is "fifty-five billion, five hundred fifty-one million, five hundred thirty-four thousand, six hundred forty-seven".