5555155 has 4 divisors (see below), whose sum is σ = 6666192. Its totient is φ = 4444120.

The previous prime is 5555149. The next prime is 5555177. The reversal of 5555155 is 5515555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5515555 = 5 ⋅1103111.

It is not a de Polignac number, because 5555155 - 2¹³ = 5546963 is a prime.

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

It is a Duffinian number.

5555155 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555511 + ... + 555520.

It is an arithmetic number, because the mean of its divisors is an integer number (1666548).

Almost surely, 2^5555155 is an apocalyptic number.

5555155 is a deficient number, since it is larger than the sum of its proper divisors (1111037).

5555155 is a wasteful number, since it uses less digits than its factorization.

5555155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111036.

The product of its digits is 15625, while the sum is 31.

The square root of 5555155 is about 2356.9376317586. The cubic root of 5555155 is about 177.1055048902.

The spelling of 5555155 in words is "five million, five hundred fifty-five thousand, one hundred fifty-five".