5511155 has 8 divisors (see below), whose sum is σ = 7122192. Its totient is φ = 4069728.

The previous prime is 5511151. The next prime is 5511157.

It is a happy number.

5511155 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 5511155 - 2² = 5511151 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 5511155.

It is not an unprimeable number, because it can be changed into a prime (5511151) 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, 42329 + ... + 42458.

It is an arithmetic number, because the mean of its divisors is an integer number (890274).

Almost surely, 2^5511155 is an apocalyptic number.

5511155 is a deficient number, since it is larger than the sum of its proper divisors (1611037).

5511155 is a wasteful number, since it uses less digits than its factorization.

5511155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84805.

The product of its digits is 625, while the sum is 23.

The square root of 5511155 is about 2347.5849292411. The cubic root of 5511155 is about 176.6366726502.

The spelling of 5511155 in words is "five million, five hundred eleven thousand, one hundred fifty-five".