55011600000 has 1152 divisors, whose sum is σ = 236178633600. Its totient is φ = 12026880000.

The previous prime is 55011599987. The next prime is 55011600023. The reversal of 55011600000 is 611055.

55011600000 is a `hidden beast` number, since 5 + 50 + 11 + 600 + 0 + 0 + 0 = 666.

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

It is a super-2 number, since 2×55011600000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 932399971 + ... + 932400029.

It is an arithmetic number, because the mean of its divisors is an integer number (205016175).

Almost surely, 2^55011600000 is an apocalyptic number.

55011600000 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 55011600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118089316800).

55011600000 is an abundant number, since it is smaller than the sum of its proper divisors (181167033600).

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

55011600000 is an equidigital number, since it uses as much as digits as its factorization.

55011600000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The spelling of 55011600000 in words is "fifty-five billion, eleven million, six hundred thousand".