55069608 has 64 divisors (see below), whose sum is σ = 155390400. Its totient is φ = 16110080.

The previous prime is 55069603. The next prime is 55069621. The reversal of 55069608 is 80696055.

It is not an unprimeable number, because it can be changed into a prime (55069603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4060 + ... + 11252.

It is an arithmetic number, because the mean of its divisors is an integer number (2427975).

Almost surely, 2^55069608 is an apocalyptic number.

55069608 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55069608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77695200).

55069608 is an abundant number, since it is smaller than the sum of its proper divisors (100320792).

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

55069608 is a wasteful number, since it uses less digits than its factorization.

55069608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7242 (or 7238 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 55069608 is about 7420.8899735813. The cubic root of 55069608 is about 380.4556123298.

The spelling of 55069608 in words is "fifty-five million, sixty-nine thousand, six hundred eight".