55430045646 has 8 divisors (see below), whose sum is σ = 110860091304. Its totient is φ = 18476681880.

The previous prime is 55430045639. The next prime is 55430045663. The reversal of 55430045646 is 64654003455.

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

55430045646 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 55430045598 and 55430045607.

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, 4619170465 + ... + 4619170476.

It is an arithmetic number, because the mean of its divisors is an integer number (13857511413).

Almost surely, 2^55430045646 is an apocalyptic number.

55430045646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55430045646 is a wasteful number, since it uses less digits than its factorization.

55430045646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9238340946.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 55430045646 in words is "fifty-five billion, four hundred thirty million, forty-five thousand, six hundred forty-six".