55349568 has 84 divisors (see below), whose sum is σ = 164571680. Its totient is φ = 18444672.

The previous prime is 55349551. The next prime is 55349573. The reversal of 55349568 is 86594355.

55349568 is a `hidden beast` number, since 55 + 34 + 9 + 568 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13773 + ... + 17331.

Almost surely, 2^55349568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55349568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82285840).

55349568 is an abundant number, since it is smaller than the sum of its proper divisors (109222112).

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

55349568 is an equidigital number, since it uses as much as digits as its factorization.

55349568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586 (or 3564 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 55349568 is about 7439.7290273235. The cubic root of 55349568 is about 381.0992363489.

The spelling of 55349568 in words is "fifty-five million, three hundred forty-nine thousand, five hundred sixty-eight".