55011041500 has 48 divisors (see below), whose sum is σ = 120507450336. Its totient is φ = 21937872000.

The previous prime is 55011041473. The next prime is 55011041509. The reversal of 55011041500 is 514011055.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55011041509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697 + ... + 331696.

It is an arithmetic number, because the mean of its divisors is an integer number (2510571882).

Almost surely, 2^55011041500 is an apocalyptic number.

55011041500 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 55011041500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60253725168).

55011041500 is an abundant number, since it is smaller than the sum of its proper divisors (65496408836).

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

55011041500 is a wasteful number, since it uses less digits than its factorization.

55011041500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332743 (or 332731 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

Adding to 55011041500 its reverse (514011055), we get a palindrome (55525052555).

The spelling of 55011041500 in words is "fifty-five billion, eleven million, forty-one thousand, five hundred".