55000340032 has 112 divisors (see below), whose sum is σ = 120306876480. Its totient is φ = 24740249600.

The previous prime is 55000340029. The next prime is 55000340077. The reversal of 55000340032 is 23004300055.

It is a super-2 number, since 2×55000340032² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 55000339985 and 55000340012.

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, 40411032 + ... + 40412392.

It is an arithmetic number, because the mean of its divisors is an integer number (1074168540).

Almost surely, 2^55000340032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55000340032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60153438240).

55000340032 is an abundant number, since it is smaller than the sum of its proper divisors (65306536448).

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

55000340032 is a wasteful number, since it uses less digits than its factorization.

55000340032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940 (or 1930 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

Adding to 55000340032 its reverse (23004300055), we get a palindrome (78004640087).

The spelling of 55000340032 in words is "fifty-five billion, three hundred forty thousand, thirty-two".