55055011 has 4 divisors (see below), whose sum is σ = 60060024. Its totient is φ = 50050000.

The previous prime is 55055009. The next prime is 55055047. The reversal of 55055011 is 11055055.

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

It is not a de Polignac number, because 55055011 - 2¹ = 55055009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55055051) 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, 2502490 + ... + 2502511.

It is an arithmetic number, because the mean of its divisors is an integer number (15015006).

Almost surely, 2^55055011 is an apocalyptic number.

55055011 is a deficient number, since it is larger than the sum of its proper divisors (5005013).

55055011 is a wasteful number, since it uses less digits than its factorization.

55055011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005012.

The product of its (nonzero) digits is 625, while the sum is 22.

The square root of 55055011 is about 7419.9064010269. The cubic root of 55055011 is about 380.4219942627.

The spelling of 55055011 in words is "fifty-five million, fifty-five thousand, eleven".