55111024000 has 128 divisors (see below), whose sum is σ = 137617159680. Its totient is φ = 21948313600.

The previous prime is 55111023953. The next prime is 55111024037. The reversal of 55111024000 is 42011155.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3720609 + ... + 3735391.

It is an arithmetic number, because the mean of its divisors is an integer number (1075134060).

Almost surely, 2^55111024000 is an apocalyptic number.

55111024000 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 55111024000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68808579840).

55111024000 is an abundant number, since it is smaller than the sum of its proper divisors (82506135680).

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

55111024000 is a wasteful number, since it uses less digits than its factorization.

55111024000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15045 (or 15023 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 55111024000 its reverse (42011155), we get a palindrome (55153035155).

The spelling of 55111024000 in words is "fifty-five billion, one hundred eleven million, twenty-four thousand".