55246478200 has 24 divisors (see below), whose sum is σ = 128448062280. Its totient is φ = 22098591200.

The previous prime is 55246478191. The next prime is 55246478213. The reversal of 55246478200 is 287464255.

It is a happy number.

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, 138115996 + ... + 138116395.

It is an arithmetic number, because the mean of its divisors is an integer number (5352002595).

Almost surely, 2^55246478200 is an apocalyptic number.

55246478200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55246478200 is an abundant number, since it is smaller than the sum of its proper divisors (73201584080).

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

55246478200 is a wasteful number, since it uses less digits than its factorization.

55246478200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276232407 (or 276232398 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 55246478200 in words is "fifty-five billion, two hundred forty-six million, four hundred seventy-eight thousand, two hundred".