55021334523 has 8 divisors (see below), whose sum is σ = 73801072128. Its totient is φ = 36461243304.

The previous prime is 55021334491. The next prime is 55021334527. The reversal of 55021334523 is 32543312055.

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

It is not a de Polignac number, because 55021334523 - 2⁵ = 55021334491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55021334527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54911011 + ... + 54912012.

It is an arithmetic number, because the mean of its divisors is an integer number (9225134016).

Almost surely, 2^55021334523 is an apocalyptic number.

55021334523 is a deficient number, since it is larger than the sum of its proper divisors (18779737605).

55021334523 is a wasteful number, since it uses less digits than its factorization.

55021334523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109823193.

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 55021334523 its reverse (32543312055), we get a palindrome (87564646578).

The spelling of 55021334523 in words is "fifty-five billion, twenty-one million, three hundred thirty-four thousand, five hundred twenty-three".