55025134320 has 160 divisors (see below), whose sum is σ = 183793361472. Its totient is φ = 13537714176.

The previous prime is 55025134303. The next prime is 55025134321. The reversal of 55025134320 is 2343152055.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55025134321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8910754 + ... + 8916926.

Almost surely, 2^55025134320 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 55025134320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91896680736).

55025134320 is an abundant number, since it is smaller than the sum of its proper divisors (128768227152).

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

55025134320 is a wasteful number, since it uses less digits than its factorization.

55025134320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9059 (or 9053 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 55025134320 its reverse (2343152055), we get a palindrome (57368286375).

The spelling of 55025134320 in words is "fifty-five billion, twenty-five million, one hundred thirty-four thousand, three hundred twenty".