55214611 has 2 divisors, whose sum is σ = 55214612. Its totient is φ = 55214610.

The previous prime is 55214609. The next prime is 55214639. The reversal of 55214611 is 11641255.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55214611 - 2¹ = 55214609 is a prime.

Together with 55214609, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55214681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27607305 + 27607306.

It is an arithmetic number, because the mean of its divisors is an integer number (27607306).

Almost surely, 2^55214611 is an apocalyptic number.

55214611 is a deficient number, since it is larger than the sum of its proper divisors (1).

55214611 is an equidigital number, since it uses as much as digits as its factorization.

55214611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 25.

The square root of 55214611 is about 7430.6534705906. The cubic root of 55214611 is about 380.7892437578.

Adding to 55214611 its reverse (11641255), we get a palindrome (66855866).

The spelling of 55214611 in words is "fifty-five million, two hundred fourteen thousand, six hundred eleven".