55383800 has 24 divisors (see below), whose sum is σ = 128767800. Its totient is φ = 22153440.

The previous prime is 55383767. The next prime is 55383817. The reversal of 55383800 is 838355.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138260 + ... + 138659.

It is an arithmetic number, because the mean of its divisors is an integer number (5365325).

Almost surely, 2^55383800 is an apocalyptic number.

55383800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55383800 is an abundant number, since it is smaller than the sum of its proper divisors (73384000).

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

55383800 is a wasteful number, since it uses less digits than its factorization.

55383800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276935 (or 276926 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 55383800 is about 7442.0292931431. The cubic root of 55383800 is about 381.1777861972.

The spelling of 55383800 in words is "fifty-five million, three hundred eighty-three thousand, eight hundred".