55203379200 has 1152 divisors, whose sum is σ = 224844984000. Its totient is φ = 13377208320.

The previous prime is 55203379181. The next prime is 55203379223. The reversal of 55203379200 is 297330255.

55203379200 is a `hidden beast` number, since 552 + 0 + 33 + 79 + 2 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1903564786 + ... + 1903564814.

Almost surely, 2^55203379200 is an apocalyptic number.

55203379200 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 55203379200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112422492000).

55203379200 is an abundant number, since it is smaller than the sum of its proper divisors (169641604800).

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

55203379200 is an equidigital number, since it uses as much as digits as its factorization.

55203379200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The spelling of 55203379200 in words is "fifty-five billion, two hundred three million, three hundred seventy-nine thousand, two hundred".