55350634444 has 12 divisors (see below), whose sum is σ = 110701268944. Its totient is φ = 23721700464.

The previous prime is 55350634421. The next prime is 55350634477. The reversal of 55350634444 is 44443605355.

It is a happy number.

55350634444 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 55350634444.

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, 988404159 + ... + 988404214.

Almost surely, 2^55350634444 is an apocalyptic number.

It is an amenable number.

55350634444 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.

55350634444 is a wasteful number, since it uses less digits than its factorization.

55350634444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976808384 (or 1976808382 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 43.

The spelling of 55350634444 in words is "fifty-five billion, three hundred fifty million, six hundred thirty-four thousand, four hundred forty-four".