55365811 has 8 divisors (see below), whose sum is σ = 57035264. Its totient is φ = 53713800.

The previous prime is 55365809. The next prime is 55365823. The reversal of 55365811 is 11856355.

55365811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55365811 - 2¹ = 55365809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55365851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2230 + ... + 10756.

It is an arithmetic number, because the mean of its divisors is an integer number (7129408).

Almost surely, 2^55365811 is an apocalyptic number.

55365811 is a deficient number, since it is larger than the sum of its proper divisors (1669453).

55365811 is a wasteful number, since it uses less digits than its factorization.

55365811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8721.

The product of its digits is 18000, while the sum is 34.

The square root of 55365811 is about 7440.8205864676. The cubic root of 55365811 is about 381.1365120958.

The spelling of 55365811 in words is "fifty-five million, three hundred sixty-five thousand, eight hundred eleven".