55083802500 has 360 divisors, whose sum is σ = 184216032000. Its totient is φ = 13835232000.

The previous prime is 55083802471. The next prime is 55083802507. The reversal of 55083802500 is 520838055.

55083802500 is a `hidden beast` number, since 550 + 8 + 3 + 80 + 25 + 0 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (55083802507) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 114997261 + ... + 114997739.

It is an arithmetic number, because the mean of its divisors is an integer number (511711200).

Almost surely, 2^55083802500 is an apocalyptic number.

55083802500 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 55083802500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92108016000).

55083802500 is an abundant number, since it is smaller than the sum of its proper divisors (129132229500).

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

55083802500 is a wasteful number, since it uses less digits than its factorization.

55083802500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 55083802500 in words is "fifty-five billion, eighty-three million, eight hundred two thousand, five hundred".