55546413646 has 8 divisors (see below), whose sum is σ = 86192710920. Its totient is φ = 26815510008.

The previous prime is 55546413619. The next prime is 55546413653. The reversal of 55546413646 is 64631464555.

55546413646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55546413646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478848336 + ... + 478848451.

It is an arithmetic number, because the mean of its divisors is an integer number (10774088865).

Almost surely, 2^55546413646 is an apocalyptic number.

55546413646 is a deficient number, since it is larger than the sum of its proper divisors (30646297274).

55546413646 is a wasteful number, since it uses less digits than its factorization.

55546413646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957696818.

The product of its digits is 5184000, while the sum is 49.

The spelling of 55546413646 in words is "fifty-five billion, five hundred forty-six million, four hundred thirteen thousand, six hundred forty-six".