55670211 has 6 divisors (see below), whose sum is σ = 80412540. Its totient is φ = 37113468.

The previous prime is 55670207. The next prime is 55670221. The reversal of 55670211 is 11207655.

It is not a de Polignac number, because 55670211 - 2² = 55670207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55670201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3092781 + ... + 3092798.

It is an arithmetic number, because the mean of its divisors is an integer number (13402090).

Almost surely, 2^55670211 is an apocalyptic number.

55670211 is a deficient number, since it is larger than the sum of its proper divisors (24742329).

55670211 is a wasteful number, since it uses less digits than its factorization.

55670211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6185585 (or 6185582 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 55670211 is about 7461.2472817887. The cubic root of 55670211 is about 381.8337292525.

Adding to 55670211 its reverse (11207655), we get a palindrome (66877866).

The spelling of 55670211 in words is "fifty-five million, six hundred seventy thousand, two hundred eleven".