55554012211 has 4 divisors (see below), whose sum is σ = 55578498400. Its totient is φ = 55529526024.

The previous prime is 55554012181. The next prime is 55554012223. The reversal of 55554012211 is 11221045555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55554012211 - 2⁷ = 55554012083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55554016211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12239691 + ... + 12244228.

It is an arithmetic number, because the mean of its divisors is an integer number (13894624600).

Almost surely, 2^55554012211 is an apocalyptic number.

55554012211 is a deficient number, since it is larger than the sum of its proper divisors (24486189).

55554012211 is a wasteful number, since it uses less digits than its factorization.

55554012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24486188.

The product of its (nonzero) digits is 10000, while the sum is 31.

Adding to 55554012211 its reverse (11221045555), we get a palindrome (66775057766).

The spelling of 55554012211 in words is "fifty-five billion, five hundred fifty-four million, twelve thousand, two hundred eleven".