55550103323 has 48 divisors (see below), whose sum is σ = 66676998528. Its totient is φ = 45966624000.

The previous prime is 55550103319. The next prime is 55550103337. The reversal of 55550103323 is 32330105555.

It is not a de Polignac number, because 55550103323 - 2² = 55550103319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55550103323.

It is not an unprimeable number, because it can be changed into a prime (55550103383) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50362190 + ... + 50363292.

It is an arithmetic number, because the mean of its divisors is an integer number (1389104136).

Almost surely, 2^55550103323 is an apocalyptic number.

55550103323 is a deficient number, since it is larger than the sum of its proper divisors (11126895205).

55550103323 is a wasteful number, since it uses less digits than its factorization.

55550103323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556 (or 1545 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 32.

Adding to 55550103323 its reverse (32330105555), we get a palindrome (87880208878).

The spelling of 55550103323 in words is "fifty-five billion, five hundred fifty million, one hundred three thousand, three hundred twenty-three".