55021454830 has 8 divisors (see below), whose sum is σ = 99038618712. Its totient is φ = 22008581928.

The previous prime is 55021454827. The next prime is 55021454869. The reversal of 55021454830 is 3845412055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 55021454830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2751072732 + ... + 2751072751.

It is an arithmetic number, because the mean of its divisors is an integer number (12379827339).

Almost surely, 2^55021454830 is an apocalyptic number.

55021454830 is a deficient number, since it is larger than the sum of its proper divisors (44017163882).

55021454830 is a wasteful number, since it uses less digits than its factorization.

55021454830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502145490.

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 55021454830 its reverse (3845412055), we get a palindrome (58866866885).

The spelling of 55021454830 in words is "fifty-five billion, twenty-one million, four hundred fifty-four thousand, eight hundred thirty".