55069800 has 96 divisors (see below), whose sum is σ = 180792000. Its totient is φ = 13818880.

The previous prime is 55069789. The next prime is 55069823. The reversal of 55069800 is 896055.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7501 + ... + 12899.

It is an arithmetic number, because the mean of its divisors is an integer number (1883250).

Almost surely, 2^55069800 is an apocalyptic number.

55069800 is a gapful number since it is divisible by the number (50) 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 55069800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90396000).

55069800 is an abundant number, since it is smaller than the sum of its proper divisors (125722200).

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

55069800 is a wasteful number, since it uses less digits than its factorization.

55069800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5435 (or 5426 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 55069800 is about 7420.9029100238. The cubic root of 55069800 is about 380.4560544817.

The spelling of 55069800 in words is "fifty-five million, sixty-nine thousand, eight hundred".