55262211 has 16 divisors (see below), whose sum is σ = 75022848. Its totient is φ = 36176000.

The previous prime is 55262209. The next prime is 55262231. The reversal of 55262211 is 11226255.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55262211 - 2¹ = 55262209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55262231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85090 + ... + 85736.

It is an arithmetic number, because the mean of its divisors is an integer number (4688928).

Almost surely, 2^55262211 is an apocalyptic number.

55262211 is a deficient number, since it is larger than the sum of its proper divisors (19760637).

55262211 is a wasteful number, since it uses less digits than its factorization.

55262211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122.

The product of its digits is 1200, while the sum is 24.

The square root of 55262211 is about 7433.8557290278. The cubic root of 55262211 is about 380.8986372772.

Adding to 55262211 its reverse (11226255), we get a palindrome (66488466).

The spelling of 55262211 in words is "fifty-five million, two hundred sixty-two thousand, two hundred eleven".