5155555 has 8 divisors (see below), whose sum is σ = 6512400. Its totient is φ = 3907296.

The previous prime is 5155547. The next prime is 5155561. The reversal of 5155555 is 5555515.

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 5155555 - 2³ = 5155547 is a prime.

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

5155555 is a modest number, since divided by 5555 gives 515 as remainder.

It is an unprimeable number.

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, 27040 + ... + 27229.

It is an arithmetic number, because the mean of its divisors is an integer number (814050).

Almost surely, 2^5155555 is an apocalyptic number.

5155555 is a deficient number, since it is larger than the sum of its proper divisors (1356845).

5155555 is a wasteful number, since it uses less digits than its factorization.

5155555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54293.

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

The square root of 5155555 is about 2270.5847264526. The cubic root of 5155555 is about 172.7528183908.

The spelling of 5155555 in words is "five million, one hundred fifty-five thousand, five hundred fifty-five".