55544011 has 8 divisors (see below), whose sum is σ = 61009920. Its totient is φ = 50332392.

The previous prime is 55544009. The next prime is 55544017. The reversal of 55544011 is 11044555.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 55544011 - 2¹ = 55544009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55544017) 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, 63115 + ... + 63988.

It is an arithmetic number, because the mean of its divisors is an integer number (7626240).

Almost surely, 2^55544011 is an apocalyptic number.

55544011 is a deficient number, since it is larger than the sum of its proper divisors (5465909).

55544011 is a wasteful number, since it uses less digits than its factorization.

55544011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127145.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 55544011 is about 7452.7854524332. The cubic root of 55544011 is about 381.5449819191.

Adding to 55544011 its reverse (11044555), we get a palindrome (66588566).

The spelling of 55544011 in words is "fifty-five million, five hundred forty-four thousand, eleven".