55100011 has 2 divisors, whose sum is σ = 55100012. Its totient is φ = 55100010.

The previous prime is 55099997. The next prime is 55100021. The reversal of 55100011 is 11000155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55100011 - 2⁷ = 55099883 is a prime.

It is a super-2 number, since 2×55100011² = 6072022424400242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55099964 and 55100000.

It is not a weakly prime, because it can be changed into another prime (55100021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27550005 + 27550006.

It is an arithmetic number, because the mean of its divisors is an integer number (27550006).

Almost surely, 2^55100011 is an apocalyptic number.

55100011 is a deficient number, since it is larger than the sum of its proper divisors (1).

55100011 is an equidigital number, since it uses as much as digits as its factorization.

55100011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 55100011 is about 7422.9381649048. The cubic root of 55100011 is about 380.5256138207.

Adding to 55100011 its reverse (11000155), we get a palindrome (66100166).

The spelling of 55100011 in words is "fifty-five million, one hundred thousand, eleven".