55611516000 has 192 divisors, whose sum is σ = 190105284096. Its totient is φ = 14184896000.

The previous prime is 55611515983. The next prime is 55611516013. The reversal of 55611516000 is 61511655.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175255 + ... + 376745.

It is an arithmetic number, because the mean of its divisors is an integer number (990131688).

Almost surely, 2^55611516000 is an apocalyptic number.

55611516000 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 55611516000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95052642048).

55611516000 is an abundant number, since it is smaller than the sum of its proper divisors (134493768096).

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

55611516000 is a wasteful number, since it uses less digits than its factorization.

55611516000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201542 (or 201524 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 55611516000 in words is "fifty-five billion, six hundred eleven million, five hundred sixteen thousand".