55050011 has 4 divisors (see below), whose sum is σ = 57947400. Its totient is φ = 52152624.

The previous prime is 55050007. The next prime is 55050013. The reversal of 55050011 is 11005055.

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 55050011 - 2² = 55050007 is a prime.

It is a super-2 number, since 2×55050011² = 6061007422200242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55050013) 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, 1448666 + ... + 1448703.

It is an arithmetic number, because the mean of its divisors is an integer number (14486850).

Almost surely, 2^55050011 is an apocalyptic number.

55050011 is a deficient number, since it is larger than the sum of its proper divisors (2897389).

55050011 is a wasteful number, since it uses less digits than its factorization.

55050011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897388.

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 55050011 is about 7419.5694619028. The cubic root of 55050011 is about 380.4104774936.

Adding to 55050011 its reverse (11005055), we get a palindrome (66055066).

The spelling of 55050011 in words is "fifty-five million, fifty thousand, eleven".