55316811 has 8 divisors (see below), whose sum is σ = 80460864. Its totient is φ = 33525320.

The previous prime is 55316801. The next prime is 55316837. The reversal of 55316811 is 11861355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55316811 - 2¹⁰ = 55315787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55316801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838101 + ... + 838166.

It is an arithmetic number, because the mean of its divisors is an integer number (10057608).

Almost surely, 2^55316811 is an apocalyptic number.

55316811 is a deficient number, since it is larger than the sum of its proper divisors (25144053).

55316811 is a wasteful number, since it uses less digits than its factorization.

55316811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676281.

The product of its digits is 3600, while the sum is 30.

The square root of 55316811 is about 7437.5272100343. The cubic root of 55316811 is about 381.0240407533.

The spelling of 55316811 in words is "fifty-five million, three hundred sixteen thousand, eight hundred eleven".