5155558 has 8 divisors (see below), whose sum is σ = 7777080. Its totient is φ = 2563200.

The previous prime is 5155547. The next prime is 5155561. The reversal of 5155558 is 8555515.

It is a happy number.

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

It is a super-3 number, since 3×5155558³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6843 + ... + 7558.

It is an arithmetic number, because the mean of its divisors is an integer number (972135).

Almost surely, 2^5155558 is an apocalyptic number.

5155558 is a deficient number, since it is larger than the sum of its proper divisors (2621522).

5155558 is a wasteful number, since it uses less digits than its factorization.

5155558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14582.

The product of its digits is 25000, while the sum is 34.

The square root of 5155558 is about 2270.5853870753. The cubic root of 5155558 is about 172.7528518989.

The spelling of 5155558 in words is "five million, one hundred fifty-five thousand, five hundred fifty-eight".