15550495200 has 216 divisors, whose sum is σ = 56002853088. Its totient is φ = 4058480640.

The previous prime is 15550495141. The next prime is 15550495229. The reversal of 15550495200 is 259405551.

15550495200 is a `hidden beast` number, since 15 + 550 + 4 + 95 + 2 + 0 + 0 = 666.

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 (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 315424 + ... + 361376.

It is an arithmetic number, because the mean of its divisors is an integer number (259272468).

Almost surely, 2^15550495200 is an apocalyptic number.

15550495200 is a gapful number since it is divisible by the number (10) 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 15550495200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28001426544).

15550495200 is an abundant number, since it is smaller than the sum of its proper divisors (40452357888).

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

15550495200 is a wasteful number, since it uses less digits than its factorization.

15550495200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46026 (or 46010 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 15550495200 in words is "fifteen billion, five hundred fifty million, four hundred ninety-five thousand, two hundred".