55099530000 has 150 divisors (see below), whose sum is σ = 192691329974. Its totient is φ = 14693184000.

The previous prime is 55099529987. The next prime is 55099530007. The reversal of 55099530000 is 3599055.

It can be written as a sum of positive squares in 5 ways, for example, as 35816319504 + 19283210496 = 189252^2 + 138864^2 .

It is a tau number, because it is divible by the number of its divisors (150).

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 (55099530007) by changing a digit.

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 29 ways as a sum of consecutive naturals, for example, 216109 + ... + 396108.

Almost surely, 2^55099530000 is an apocalyptic number.

55099530000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55099530000 is an abundant number, since it is smaller than the sum of its proper divisors (137591799974).

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

55099530000 is a wasteful number, since it uses less digits than its factorization.

55099530000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612251 (or 612227 counting only the distinct ones).

The product of its (nonzero) digits is 30375, while the sum is 36.

The spelling of 55099530000 in words is "fifty-five billion, ninety-nine million, five hundred thirty thousand".