55025031320 has 64 divisors (see below), whose sum is σ = 148939948800. Its totient is φ = 17872790400.

The previous prime is 55025031319. The next prime is 55025031353. The reversal of 55025031320 is 2313052055.

It is a self number, because there is not a number n which added to its sum of digits gives 55025031320.

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, 5166206 + ... + 5176845.

It is an arithmetic number, because the mean of its divisors is an integer number (2327186700).

Almost surely, 2^55025031320 is an apocalyptic number.

It is an amenable number.

55025031320 is an abundant number, since it is smaller than the sum of its proper divisors (93914917480).

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

55025031320 is a wasteful number, since it uses less digits than its factorization.

55025031320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10343088 (or 10343084 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

Adding to 55025031320 its reverse (2313052055), we get a palindrome (57338083375).

The spelling of 55025031320 in words is "fifty-five billion, twenty-five million, thirty-one thousand, three hundred twenty".