55736211 has 4 divisors (see below), whose sum is σ = 74314952. Its totient is φ = 37157472.

The previous prime is 55736209. The next prime is 55736221. The reversal of 55736211 is 11263755.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55736211 - 2¹ = 55736209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55736201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9289366 + ... + 9289371.

It is an arithmetic number, because the mean of its divisors is an integer number (18578738).

Almost surely, 2^55736211 is an apocalyptic number.

55736211 is a deficient number, since it is larger than the sum of its proper divisors (18578741).

55736211 is a wasteful number, since it uses less digits than its factorization.

55736211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18578740.

The product of its digits is 6300, while the sum is 30.

The square root of 55736211 is about 7465.6688246935. The cubic root of 55736211 is about 381.9845644010.

Adding to 55736211 its reverse (11263755), we get a palindrome (66999966).

The spelling of 55736211 in words is "fifty-five million, seven hundred thirty-six thousand, two hundred eleven".