55435211 has 12 divisors (see below), whose sum is σ = 62102880. Its totient is φ = 49402080.

The previous prime is 55435207. The next prime is 55435229. The reversal of 55435211 is 11253455.

It is not a de Polignac number, because 55435211 - 2² = 55435207 is a prime.

It is a super-2 number, since 2×55435211² = 6146125237229042, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55435291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 755 + ... + 10556.

It is an arithmetic number, because the mean of its divisors is an integer number (5175240).

Almost surely, 2^55435211 is an apocalyptic number.

55435211 is a deficient number, since it is larger than the sum of its proper divisors (6667669).

55435211 is a wasteful number, since it uses less digits than its factorization.

55435211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11366 (or 11353 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 55435211 is about 7445.4825901348. The cubic root of 55435211 is about 381.2956947470.

Subtracting from 55435211 its sum of digits (26), we obtain a triangular number (55435185 = T₁₀₅₂₉).

Adding to 55435211 its reverse (11253455), we get a palindrome (66688666).

The spelling of 55435211 in words is "fifty-five million, four hundred thirty-five thousand, two hundred eleven".