55650800 has 90 divisors (see below), whose sum is σ = 140298312. Its totient is φ = 21211520.

The previous prime is 55650781. The next prime is 55650827. The reversal of 55650800 is 805655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 211469 + ... + 211731.

Almost surely, 2^55650800 is an apocalyptic number.

55650800 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 55650800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70149156).

55650800 is an abundant number, since it is smaller than the sum of its proper divisors (84647512).

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

55650800 is a wasteful number, since it uses less digits than its factorization.

55650800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 55650800 is about 7459.9463805044. The cubic root of 55650800 is about 381.7893450358.

The spelling of 55650800 in words is "fifty-five million, six hundred fifty thousand, eight hundred".