55646316615 has 8 divisors (see below), whose sum is σ = 89034106608. Its totient is φ = 29678035520.

The previous prime is 55646316589. The next prime is 55646316643. The reversal of 55646316615 is 51661364655.

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

It is not a de Polignac number, because 55646316615 - 2²² = 55642122311 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 1854877206 + ... + 1854877235.

It is an arithmetic number, because the mean of its divisors is an integer number (11129263326).

Almost surely, 2^55646316615 is an apocalyptic number.

55646316615 is a deficient number, since it is larger than the sum of its proper divisors (33387789993).

55646316615 is a wasteful number, since it uses less digits than its factorization.

55646316615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709754449.

The product of its digits is 1944000, while the sum is 48.

The spelling of 55646316615 in words is "fifty-five billion, six hundred forty-six million, three hundred sixteen thousand, six hundred fifteen".