55535011 has 4 divisors (see below), whose sum is σ = 63468592. Its totient is φ = 47601432.

The previous prime is 55535003. The next prime is 55535017. The reversal of 55535011 is 11053555.

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

It is a cyclic number.

It is not a de Polignac number, because 55535011 - 2³ = 55535003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55535017) 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, 3966780 + ... + 3966793.

It is an arithmetic number, because the mean of its divisors is an integer number (15867148).

Almost surely, 2^55535011 is an apocalyptic number.

55535011 is a deficient number, since it is larger than the sum of its proper divisors (7933581).

55535011 is an equidigital number, since it uses as much as digits as its factorization.

55535011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7933580.

The product of its (nonzero) digits is 1875, while the sum is 25.

The square root of 55535011 is about 7452.1816268795. The cubic root of 55535011 is about 381.5243730946.

Adding to 55535011 its reverse (11053555), we get a palindrome (66588566).

The spelling of 55535011 in words is "fifty-five million, five hundred thirty-five thousand, eleven".